157947787520

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1\times {\mathrm{2477}}^1$

素因数の和:4136

約数の個数: 144

約数和(自身を含む): 390939429888

約数和(自身を除く): 232991642368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1607, 1984, 2477, 2480, 3214, 3968, 4954, 4960, 6428, 7936, 8035, 9908, 9920, 12385, 12856, 16070, 19816, 19840, 24770, 25712, 32140, 39632, 39680, 49540, 49817, 51424, 64280, 76787, 79264, 99080, 99634, 102848, 128560, 153574, 158528, 198160, 199268, 205696, 249085, 257120, 307148, 317056, 383935, 396320, 398536, 411392, 498170, 514240, 614296, 634112, 767870, 792640, 797072, 996340, 1028480, 1228592, 1535740, 1585280, 1594144, 1992680, 2056960, 2457184, 3071480, 3170560, 3188288, 3980539, 3985360, 4914368, 6142960, 6376576, 7961078, 7970720, 9828736, 12285920, 12753152, 15922156, 15941440, 19657472, 19902695, 24571840, 31844312, 31882880, 39805390, 49143680, 63688624, 63765760, 79610780, 98287360, 123396709, 127377248, 159221560, 246793418, 254754496, 318443120, 493586836, 509508992, 616983545, 636886240, 987173672, 1019017984, 1233967090, 1273772480, 1974347344, 2467934180, 2547544960, 3948694688, 4935868360, 5095089920, 7897389376, 9871736720, 15794778752, 19743473440, 31589557504, 39486946880, 78973893760, 157947787520]

約数ペア:

[(1, 157947787520), (2, 78973893760), (4, 39486946880), (5, 31589557504), (8, 19743473440), (10, 15794778752), (16, 9871736720), (20, 7897389376), (31, 5095089920), (32, 4935868360), (40, 3948694688), (62, 2547544960), (64, 2467934180), (80, 1974347344), (124, 1273772480), (128, 1233967090), (155, 1019017984), (160, 987173672), (248, 636886240), (256, 616983545), (310, 509508992), (320, 493586836), (496, 318443120), (620, 254754496), (640, 246793418), (992, 159221560), (1240, 127377248), (1280, 123396709), (1607, 98287360), (1984, 79610780), (2477, 63765760), (2480, 63688624), (3214, 49143680), (3968, 39805390), (4954, 31882880), (4960, 31844312), (6428, 24571840), (7936, 19902695), (8035, 19657472), (9908, 15941440), (9920, 15922156), (12385, 12753152), (12856, 12285920), (16070, 9828736), (19816, 7970720), (19840, 7961078), (24770, 6376576), (25712, 6142960), (32140, 4914368), (39632, 3985360), (39680, 3980539), (49540, 3188288), (49817, 3170560), (51424, 3071480), (64280, 2457184), (76787, 2056960), (79264, 1992680), (99080, 1594144), (99634, 1585280), (102848, 1535740), (128560, 1228592), (153574, 1028480), (158528, 996340), (198160, 797072), (199268, 792640), (205696, 767870), (249085, 634112), (257120, 614296), (307148, 514240), (317056, 498170), (383935, 411392), (396320, 398536)]