243357920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1481}}^1$

素因数の和:1588

約数の個数: 96

約数和(自身を含む): 627419520

約数和(自身を除く): 384061600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 79, 80, 104, 130, 158, 160, 208, 260, 316, 395, 416, 520, 632, 790, 1027, 1040, 1264, 1481, 1580, 2054, 2080, 2528, 2962, 3160, 4108, 5135, 5924, 6320, 7405, 8216, 10270, 11848, 12640, 14810, 16432, 19253, 20540, 23696, 29620, 32864, 38506, 41080, 47392, 59240, 77012, 82160, 96265, 116999, 118480, 154024, 164320, 192530, 233998, 236960, 308048, 385060, 467996, 584995, 616096, 770120, 935992, 1169990, 1520987, 1540240, 1871984, 2339980, 3041974, 3080480, 3743968, 4679960, 6083948, 7604935, 9359920, 12167896, 15209870, 18719840, 24335792, 30419740, 48671584, 60839480, 121678960, 243357920]

約数ペア:

[(1, 243357920), (2, 121678960), (4, 60839480), (5, 48671584), (8, 30419740), (10, 24335792), (13, 18719840), (16, 15209870), (20, 12167896), (26, 9359920), (32, 7604935), (40, 6083948), (52, 4679960), (65, 3743968), (79, 3080480), (80, 3041974), (104, 2339980), (130, 1871984), (158, 1540240), (160, 1520987), (208, 1169990), (260, 935992), (316, 770120), (395, 616096), (416, 584995), (520, 467996), (632, 385060), (790, 308048), (1027, 236960), (1040, 233998), (1264, 192530), (1481, 164320), (1580, 154024), (2054, 118480), (2080, 116999), (2528, 96265), (2962, 82160), (3160, 77012), (4108, 59240), (5135, 47392), (5924, 41080), (6320, 38506), (7405, 32864), (8216, 29620), (10270, 23696), (11848, 20540), (12640, 19253), (14810, 16432)]