20159280

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 240

約数和(自身を含む): 75557664

約数和(自身を除く): 55398384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 61, 68, 72, 80, 81, 85, 90, 102, 108, 120, 122, 135, 136, 144, 153, 162, 170, 180, 183, 204, 216, 240, 243, 244, 255, 270, 272, 305, 306, 324, 340, 360, 366, 405, 408, 432, 459, 486, 488, 510, 540, 549, 610, 612, 648, 680, 720, 732, 765, 810, 816, 915, 918, 972, 976, 1020, 1037, 1080, 1098, 1215, 1220, 1224, 1296, 1360, 1377, 1464, 1530, 1620, 1647, 1830, 1836, 1944, 2040, 2074, 2160, 2196, 2295, 2430, 2440, 2448, 2745, 2754, 2928, 3060, 3111, 3240, 3294, 3660, 3672, 3888, 4080, 4131, 4148, 4392, 4590, 4860, 4880, 4941, 5185, 5490, 5508, 6120, 6222, 6480, 6588, 6885, 7320, 7344, 8235, 8262, 8296, 8784, 9180, 9333, 9720, 9882, 10370, 10980, 11016, 12240, 12444, 13176, 13770, 14640, 14823, 15555, 16470, 16524, 16592, 18360, 18666, 19440, 19764, 20655, 20740, 21960, 22032, 24705, 24888, 26352, 27540, 27999, 29646, 31110, 32940, 33048, 36720, 37332, 39528, 41310, 41480, 43920, 46665, 49410, 49776, 55080, 55998, 59292, 62220, 65880, 66096, 74115, 74664, 79056, 82620, 82960, 83997, 93330, 98820, 110160, 111996, 118584, 124440, 131760, 139995, 148230, 149328, 165240, 167994, 186660, 197640, 223992, 237168, 248880, 251991, 279990, 296460, 330480, 335988, 373320, 395280, 419985, 447984, 503982, 559980, 592920, 671976, 746640, 839970, 1007964, 1119960, 1185840, 1259955, 1343952, 1679940, 2015928, 2239920, 2519910, 3359880, 4031856, 5039820, 6719760, 10079640, 20159280]

約数ペア:

[(1, 20159280), (2, 10079640), (3, 6719760), (4, 5039820), (5, 4031856), (6, 3359880), (8, 2519910), (9, 2239920), (10, 2015928), (12, 1679940), (15, 1343952), (16, 1259955), (17, 1185840), (18, 1119960), (20, 1007964), (24, 839970), (27, 746640), (30, 671976), (34, 592920), (36, 559980), (40, 503982), (45, 447984), (48, 419985), (51, 395280), (54, 373320), (60, 335988), (61, 330480), (68, 296460), (72, 279990), (80, 251991), (81, 248880), (85, 237168), (90, 223992), (102, 197640), (108, 186660), (120, 167994), (122, 165240), (135, 149328), (136, 148230), (144, 139995), (153, 131760), (162, 124440), (170, 118584), (180, 111996), (183, 110160), (204, 98820), (216, 93330), (240, 83997), (243, 82960), (244, 82620), (255, 79056), (270, 74664), (272, 74115), (305, 66096), (306, 65880), (324, 62220), (340, 59292), (360, 55998), (366, 55080), (405, 49776), (408, 49410), (432, 46665), (459, 43920), (486, 41480), (488, 41310), (510, 39528), (540, 37332), (549, 36720), (610, 33048), (612, 32940), (648, 31110), (680, 29646), (720, 27999), (732, 27540), (765, 26352), (810, 24888), (816, 24705), (915, 22032), (918, 21960), (972, 20740), (976, 20655), (1020, 19764), (1037, 19440), (1080, 18666), (1098, 18360), (1215, 16592), (1220, 16524), (1224, 16470), (1296, 15555), (1360, 14823), (1377, 14640), (1464, 13770), (1530, 13176), (1620, 12444), (1647, 12240), (1830, 11016), (1836, 10980), (1944, 10370), (2040, 9882), (2074, 9720), (2160, 9333), (2196, 9180), (2295, 8784), (2430, 8296), (2440, 8262), (2448, 8235), (2745, 7344), (2754, 7320), (2928, 6885), (3060, 6588), (3111, 6480), (3240, 6222), (3294, 6120), (3660, 5508), (3672, 5490), (3888, 5185), (4080, 4941), (4131, 4880), (4148, 4860), (4392, 4590)]