1248291240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20357}}^1$

素因数の和:20451

約数の個数: 128

約数和(自身を含む): 4338696960

約数和(自身を除く): 3090405720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 4088, 4380, 5110, 6132, 7665, 8760, 10220, 12264, 15330, 20357, 20440, 30660, 40714, 61071, 61320, 81428, 101785, 122142, 142499, 162856, 203570, 244284, 284998, 305355, 407140, 427497, 488568, 569996, 610710, 712495, 814280, 854994, 1139992, 1221420, 1424990, 1486061, 1709988, 2137485, 2442840, 2849980, 2972122, 3419976, 4274970, 4458183, 5699960, 5944244, 7430305, 8549940, 8916366, 10402427, 11888488, 14860610, 17099880, 17832732, 20804854, 22290915, 29721220, 31207281, 35665464, 41609708, 44581830, 52012135, 59442440, 62414562, 83219416, 89163660, 104024270, 124829124, 156036405, 178327320, 208048540, 249658248, 312072810, 416097080, 624145620, 1248291240]

約数ペア:

[(1, 1248291240), (2, 624145620), (3, 416097080), (4, 312072810), (5, 249658248), (6, 208048540), (7, 178327320), (8, 156036405), (10, 124829124), (12, 104024270), (14, 89163660), (15, 83219416), (20, 62414562), (21, 59442440), (24, 52012135), (28, 44581830), (30, 41609708), (35, 35665464), (40, 31207281), (42, 29721220), (56, 22290915), (60, 20804854), (70, 17832732), (73, 17099880), (84, 14860610), (105, 11888488), (120, 10402427), (140, 8916366), (146, 8549940), (168, 7430305), (210, 5944244), (219, 5699960), (280, 4458183), (292, 4274970), (365, 3419976), (420, 2972122), (438, 2849980), (511, 2442840), (584, 2137485), (730, 1709988), (840, 1486061), (876, 1424990), (1022, 1221420), (1095, 1139992), (1460, 854994), (1533, 814280), (1752, 712495), (2044, 610710), (2190, 569996), (2555, 488568), (2920, 427497), (3066, 407140), (4088, 305355), (4380, 284998), (5110, 244284), (6132, 203570), (7665, 162856), (8760, 142499), (10220, 122142), (12264, 101785), (15330, 81428), (20357, 61320), (20440, 61071), (30660, 40714)]