661698720

素因数分解:

$2^5\times 3^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 384

約数和(自身を含む): 2459842560

約数和(自身を除く): 1798143840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 61, 62, 72, 80, 81, 90, 93, 96, 108, 120, 122, 124, 135, 144, 155, 160, 162, 180, 183, 186, 216, 240, 243, 244, 248, 270, 279, 288, 305, 310, 324, 360, 366, 372, 405, 432, 465, 480, 486, 488, 496, 540, 549, 558, 610, 620, 648, 720, 729, 732, 744, 810, 837, 864, 915, 930, 972, 976, 992, 1080, 1098, 1116, 1215, 1220, 1240, 1296, 1395, 1440, 1458, 1464, 1488, 1620, 1647, 1674, 1830, 1860, 1891, 1944, 1952, 2160, 2187, 2196, 2232, 2430, 2440, 2480, 2511, 2592, 2745, 2790, 2916, 2928, 2976, 3240, 3294, 3348, 3645, 3660, 3720, 3782, 3888, 4185, 4320, 4374, 4392, 4464, 4860, 4880, 4941, 4960, 5022, 5490, 5580, 5673, 5832, 5856, 6480, 6588, 6696, 7290, 7320, 7440, 7533, 7564, 7776, 8235, 8370, 8748, 8784, 8928, 9455, 9720, 9760, 9882, 10044, 10935, 10980, 11160, 11346, 11664, 12555, 12960, 13176, 13392, 14580, 14640, 14823, 14880, 15066, 15128, 16470, 16740, 17019, 17496, 17568, 18910, 19440, 19764, 20088, 21870, 21960, 22320, 22599, 22692, 23328, 24705, 25110, 26352, 26784, 28365, 29160, 29280, 29646, 30132, 30256, 32940, 33480, 34038, 34992, 37665, 37820, 38880, 39528, 40176, 43740, 43920, 44469, 44640, 45198, 45384, 49410, 50220, 51057, 52704, 56730, 58320, 59292, 60264, 60512, 65880, 66960, 67797, 68076, 69984, 74115, 75330, 75640, 79056, 80352, 85095, 87480, 87840, 88938, 90396, 90768, 98820, 100440, 102114, 112995, 113460, 116640, 118584, 120528, 131760, 133407, 133920, 135594, 136152, 148230, 150660, 151280, 153171, 158112, 170190, 174960, 177876, 180792, 181536, 197640, 200880, 204228, 222345, 225990, 226920, 237168, 241056, 255285, 263520, 266814, 271188, 272304, 296460, 301320, 302560, 306342, 338985, 340380, 349920, 355752, 361584, 395280, 401760, 408456, 444690, 451980, 453840, 459513, 474336, 510570, 533628, 542376, 544608, 592920, 602640, 612684, 667035, 677970, 680760, 711504, 723168, 765855, 790560, 816912, 889380, 903960, 907680, 919026, 1021140, 1067256, 1084752, 1185840, 1205280, 1225368, 1334070, 1355940, 1361520, 1378539, 1423008, 1531710, 1633824, 1778760, 1807920, 1838052, 2042280, 2134512, 2169504, 2297565, 2371680, 2450736, 2668140, 2711880, 2723040, 2757078, 3063420, 3557520, 3615840, 3676104, 4084560, 4135617, 4269024, 4595130, 4901472, 5336280, 5423760, 5514156, 6126840, 6892695, 7115040, 7352208, 8169120, 8271234, 9190260, 10672560, 10847520, 11028312, 12253680, 13785390, 14704416, 16542468, 18380520, 20678085, 21345120, 22056624, 24507360, 27570780, 33084936, 36761040, 41356170, 44113248, 55141560, 66169872, 73522080, 82712340, 110283120, 132339744, 165424680, 220566240, 330849360, 661698720]

約数ペア:

[(1, 661698720), (2, 330849360), (3, 220566240), (4, 165424680), (5, 132339744), (6, 110283120), (8, 82712340), (9, 73522080), (10, 66169872), (12, 55141560), (15, 44113248), (16, 41356170), (18, 36761040), (20, 33084936), (24, 27570780), (27, 24507360), (30, 22056624), (31, 21345120), (32, 20678085), (36, 18380520), (40, 16542468), (45, 14704416), (48, 13785390), (54, 12253680), (60, 11028312), (61, 10847520), (62, 10672560), (72, 9190260), (80, 8271234), (81, 8169120), (90, 7352208), (93, 7115040), (96, 6892695), (108, 6126840), (120, 5514156), (122, 5423760), (124, 5336280), (135, 4901472), (144, 4595130), (155, 4269024), (160, 4135617), (162, 4084560), (180, 3676104), (183, 3615840), (186, 3557520), (216, 3063420), (240, 2757078), (243, 2723040), (244, 2711880), (248, 2668140), (270, 2450736), (279, 2371680), (288, 2297565), (305, 2169504), (310, 2134512), (324, 2042280), (360, 1838052), (366, 1807920), (372, 1778760), (405, 1633824), (432, 1531710), (465, 1423008), (480, 1378539), (486, 1361520), (488, 1355940), (496, 1334070), (540, 1225368), (549, 1205280), (558, 1185840), (610, 1084752), (620, 1067256), (648, 1021140), (720, 919026), (729, 907680), (732, 903960), (744, 889380), (810, 816912), (837, 790560), (864, 765855), (915, 723168), (930, 711504), (972, 680760), (976, 677970), (992, 667035), (1080, 612684), (1098, 602640), (1116, 592920), (1215, 544608), (1220, 542376), (1240, 533628), (1296, 510570), (1395, 474336), (1440, 459513), (1458, 453840), (1464, 451980), (1488, 444690), (1620, 408456), (1647, 401760), (1674, 395280), (1830, 361584), (1860, 355752), (1891, 349920), (1944, 340380), (1952, 338985), (2160, 306342), (2187, 302560), (2196, 301320), (2232, 296460), (2430, 272304), (2440, 271188), (2480, 266814), (2511, 263520), (2592, 255285), (2745, 241056), (2790, 237168), (2916, 226920), (2928, 225990), (2976, 222345), (3240, 204228), (3294, 200880), (3348, 197640), (3645, 181536), (3660, 180792), (3720, 177876), (3782, 174960), (3888, 170190), (4185, 158112), (4320, 153171), (4374, 151280), (4392, 150660), (4464, 148230), (4860, 136152), (4880, 135594), (4941, 133920), (4960, 133407), (5022, 131760), (5490, 120528), (5580, 118584), (5673, 116640), (5832, 113460), (5856, 112995), (6480, 102114), (6588, 100440), (6696, 98820), (7290, 90768), (7320, 90396), (7440, 88938), (7533, 87840), (7564, 87480), (7776, 85095), (8235, 80352), (8370, 79056), (8748, 75640), (8784, 75330), (8928, 74115), (9455, 69984), (9720, 68076), (9760, 67797), (9882, 66960), (10044, 65880), (10935, 60512), (10980, 60264), (11160, 59292), (11346, 58320), (11664, 56730), (12555, 52704), (12960, 51057), (13176, 50220), (13392, 49410), (14580, 45384), (14640, 45198), (14823, 44640), (14880, 44469), (15066, 43920), (15128, 43740), (16470, 40176), (16740, 39528), (17019, 38880), (17496, 37820), (17568, 37665), (18910, 34992), (19440, 34038), (19764, 33480), (20088, 32940), (21870, 30256), (21960, 30132), (22320, 29646), (22599, 29280), (22692, 29160), (23328, 28365), (24705, 26784), (25110, 26352)]