405557280

素因数分解:

$2^5\times 3^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 384

約数和(自身を含む): 1537401600

約数和(自身を除く): 1131844320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 61, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 122, 135, 144, 152, 160, 162, 171, 180, 183, 190, 216, 228, 240, 243, 244, 270, 285, 288, 304, 305, 324, 342, 360, 366, 380, 405, 432, 456, 480, 486, 488, 513, 540, 549, 570, 608, 610, 648, 684, 720, 729, 732, 760, 810, 855, 864, 912, 915, 972, 976, 1026, 1080, 1098, 1140, 1159, 1215, 1220, 1296, 1368, 1440, 1458, 1464, 1520, 1539, 1620, 1647, 1710, 1824, 1830, 1944, 1952, 2052, 2160, 2187, 2196, 2280, 2318, 2430, 2440, 2565, 2592, 2736, 2745, 2916, 2928, 3040, 3078, 3240, 3294, 3420, 3477, 3645, 3660, 3888, 4104, 4320, 4374, 4392, 4560, 4617, 4636, 4860, 4880, 4941, 5130, 5472, 5490, 5795, 5832, 5856, 6156, 6480, 6588, 6840, 6954, 7290, 7320, 7695, 7776, 8208, 8235, 8748, 8784, 9120, 9234, 9272, 9720, 9760, 9882, 10260, 10431, 10935, 10980, 11590, 11664, 12312, 12960, 13176, 13680, 13851, 13908, 14580, 14640, 14823, 15390, 16416, 16470, 17385, 17496, 17568, 18468, 18544, 19440, 19764, 20520, 20862, 21870, 21960, 23085, 23180, 23328, 24624, 24705, 26352, 27360, 27702, 27816, 29160, 29280, 29646, 30780, 31293, 32940, 34770, 34992, 36936, 37088, 38880, 39528, 41040, 41553, 41724, 43740, 43920, 44469, 46170, 46360, 49248, 49410, 52155, 52704, 55404, 55632, 58320, 59292, 61560, 62586, 65880, 69255, 69540, 69984, 73872, 74115, 79056, 82080, 83106, 83448, 87480, 87840, 88938, 92340, 92720, 93879, 98820, 104310, 110808, 111264, 116640, 118584, 123120, 125172, 131760, 133407, 138510, 139080, 147744, 148230, 156465, 158112, 166212, 166896, 174960, 177876, 184680, 185440, 187758, 197640, 207765, 208620, 221616, 222345, 237168, 246240, 250344, 263520, 266814, 277020, 278160, 281637, 296460, 312930, 332424, 333792, 349920, 355752, 369360, 375516, 395280, 415530, 417240, 443232, 444690, 469395, 474336, 500688, 533628, 554040, 556320, 563274, 592920, 625860, 664848, 667035, 711504, 738720, 751032, 790560, 831060, 834480, 844911, 889380, 938790, 1001376, 1067256, 1108080, 1126548, 1185840, 1251720, 1329696, 1334070, 1408185, 1423008, 1502064, 1662120, 1668960, 1689822, 1778760, 1877580, 2134512, 2216160, 2253096, 2371680, 2503440, 2534733, 2668140, 2816370, 3004128, 3324240, 3379644, 3557520, 3755160, 4224555, 4269024, 4506192, 5006880, 5069466, 5336280, 5632740, 6648480, 6759288, 7115040, 7510320, 8449110, 9012384, 10138932, 10672560, 11265480, 12673665, 13518576, 15020640, 16898220, 20277864, 21345120, 22530960, 25347330, 27037152, 33796440, 40555728, 45061920, 50694660, 67592880, 81111456, 101389320, 135185760, 202778640, 405557280]

約数ペア:

[(1, 405557280), (2, 202778640), (3, 135185760), (4, 101389320), (5, 81111456), (6, 67592880), (8, 50694660), (9, 45061920), (10, 40555728), (12, 33796440), (15, 27037152), (16, 25347330), (18, 22530960), (19, 21345120), (20, 20277864), (24, 16898220), (27, 15020640), (30, 13518576), (32, 12673665), (36, 11265480), (38, 10672560), (40, 10138932), (45, 9012384), (48, 8449110), (54, 7510320), (57, 7115040), (60, 6759288), (61, 6648480), (72, 5632740), (76, 5336280), (80, 5069466), (81, 5006880), (90, 4506192), (95, 4269024), (96, 4224555), (108, 3755160), (114, 3557520), (120, 3379644), (122, 3324240), (135, 3004128), (144, 2816370), (152, 2668140), (160, 2534733), (162, 2503440), (171, 2371680), (180, 2253096), (183, 2216160), (190, 2134512), (216, 1877580), (228, 1778760), (240, 1689822), (243, 1668960), (244, 1662120), (270, 1502064), (285, 1423008), (288, 1408185), (304, 1334070), (305, 1329696), (324, 1251720), (342, 1185840), (360, 1126548), (366, 1108080), (380, 1067256), (405, 1001376), (432, 938790), (456, 889380), (480, 844911), (486, 834480), (488, 831060), (513, 790560), (540, 751032), (549, 738720), (570, 711504), (608, 667035), (610, 664848), (648, 625860), (684, 592920), (720, 563274), (729, 556320), (732, 554040), (760, 533628), (810, 500688), (855, 474336), (864, 469395), (912, 444690), (915, 443232), (972, 417240), (976, 415530), (1026, 395280), (1080, 375516), (1098, 369360), (1140, 355752), (1159, 349920), (1215, 333792), (1220, 332424), (1296, 312930), (1368, 296460), (1440, 281637), (1458, 278160), (1464, 277020), (1520, 266814), (1539, 263520), (1620, 250344), (1647, 246240), (1710, 237168), (1824, 222345), (1830, 221616), (1944, 208620), (1952, 207765), (2052, 197640), (2160, 187758), (2187, 185440), (2196, 184680), (2280, 177876), (2318, 174960), (2430, 166896), (2440, 166212), (2565, 158112), (2592, 156465), (2736, 148230), (2745, 147744), (2916, 139080), (2928, 138510), (3040, 133407), (3078, 131760), (3240, 125172), (3294, 123120), (3420, 118584), (3477, 116640), (3645, 111264), (3660, 110808), (3888, 104310), (4104, 98820), (4320, 93879), (4374, 92720), (4392, 92340), (4560, 88938), (4617, 87840), (4636, 87480), (4860, 83448), (4880, 83106), (4941, 82080), (5130, 79056), (5472, 74115), (5490, 73872), (5795, 69984), (5832, 69540), (5856, 69255), (6156, 65880), (6480, 62586), (6588, 61560), (6840, 59292), (6954, 58320), (7290, 55632), (7320, 55404), (7695, 52704), (7776, 52155), (8208, 49410), (8235, 49248), (8748, 46360), (8784, 46170), (9120, 44469), (9234, 43920), (9272, 43740), (9720, 41724), (9760, 41553), (9882, 41040), (10260, 39528), (10431, 38880), (10935, 37088), (10980, 36936), (11590, 34992), (11664, 34770), (12312, 32940), (12960, 31293), (13176, 30780), (13680, 29646), (13851, 29280), (13908, 29160), (14580, 27816), (14640, 27702), (14823, 27360), (15390, 26352), (16416, 24705), (16470, 24624), (17385, 23328), (17496, 23180), (17568, 23085), (18468, 21960), (18544, 21870), (19440, 20862), (19764, 20520)]