49242880

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 130685184

約数和(自身を除く): 81442304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 73, 80, 85, 124, 128, 136, 146, 155, 160, 170, 248, 256, 272, 292, 310, 320, 340, 365, 496, 527, 544, 584, 620, 640, 680, 730, 992, 1054, 1088, 1168, 1240, 1241, 1280, 1360, 1460, 1984, 2108, 2176, 2263, 2336, 2480, 2482, 2635, 2720, 2920, 3968, 4216, 4352, 4526, 4672, 4960, 4964, 5270, 5440, 5840, 6205, 7936, 8432, 9052, 9344, 9920, 9928, 10540, 10880, 11315, 11680, 12410, 16864, 18104, 18688, 19840, 19856, 21080, 21760, 22630, 23360, 24820, 33728, 36208, 38471, 39680, 39712, 42160, 45260, 46720, 49640, 67456, 72416, 76942, 79424, 84320, 90520, 93440, 99280, 134912, 144832, 153884, 158848, 168640, 181040, 192355, 198560, 289664, 307768, 317696, 337280, 362080, 384710, 397120, 579328, 615536, 674560, 724160, 769420, 794240, 1231072, 1448320, 1538840, 1588480, 2462144, 2896640, 3077680, 4924288, 6155360, 9848576, 12310720, 24621440, 49242880]

約数ペア:

[(1, 49242880), (2, 24621440), (4, 12310720), (5, 9848576), (8, 6155360), (10, 4924288), (16, 3077680), (17, 2896640), (20, 2462144), (31, 1588480), (32, 1538840), (34, 1448320), (40, 1231072), (62, 794240), (64, 769420), (68, 724160), (73, 674560), (80, 615536), (85, 579328), (124, 397120), (128, 384710), (136, 362080), (146, 337280), (155, 317696), (160, 307768), (170, 289664), (248, 198560), (256, 192355), (272, 181040), (292, 168640), (310, 158848), (320, 153884), (340, 144832), (365, 134912), (496, 99280), (527, 93440), (544, 90520), (584, 84320), (620, 79424), (640, 76942), (680, 72416), (730, 67456), (992, 49640), (1054, 46720), (1088, 45260), (1168, 42160), (1240, 39712), (1241, 39680), (1280, 38471), (1360, 36208), (1460, 33728), (1984, 24820), (2108, 23360), (2176, 22630), (2263, 21760), (2336, 21080), (2480, 19856), (2482, 19840), (2635, 18688), (2720, 18104), (2920, 16864), (3968, 12410), (4216, 11680), (4352, 11315), (4526, 10880), (4672, 10540), (4960, 9928), (4964, 9920), (5270, 9344), (5440, 9052), (5840, 8432), (6205, 7936)]