402632960

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 1016440320

約数和(自身を除く): 613807360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 73, 80, 124, 128, 139, 146, 155, 160, 248, 256, 278, 292, 310, 320, 365, 496, 556, 584, 620, 640, 695, 730, 992, 1112, 1168, 1240, 1280, 1390, 1460, 1984, 2224, 2263, 2336, 2480, 2780, 2920, 3968, 4309, 4448, 4526, 4672, 4960, 5560, 5840, 7936, 8618, 8896, 9052, 9344, 9920, 10147, 11120, 11315, 11680, 17236, 17792, 18104, 18688, 19840, 20294, 21545, 22240, 22630, 23360, 34472, 35584, 36208, 39680, 40588, 43090, 44480, 45260, 46720, 50735, 68944, 72416, 81176, 86180, 88960, 90520, 93440, 101470, 137888, 144832, 162352, 172360, 177920, 181040, 202940, 275776, 289664, 314557, 324704, 344720, 362080, 405880, 551552, 579328, 629114, 649408, 689440, 724160, 811760, 1103104, 1258228, 1298816, 1378880, 1448320, 1572785, 1623520, 2516456, 2597632, 2757760, 2896640, 3145570, 3247040, 5032912, 5515520, 6291140, 6494080, 10065824, 12582280, 12988160, 20131648, 25164560, 40263296, 50329120, 80526592, 100658240, 201316480, 402632960]

約数ペア:

[(1, 402632960), (2, 201316480), (4, 100658240), (5, 80526592), (8, 50329120), (10, 40263296), (16, 25164560), (20, 20131648), (31, 12988160), (32, 12582280), (40, 10065824), (62, 6494080), (64, 6291140), (73, 5515520), (80, 5032912), (124, 3247040), (128, 3145570), (139, 2896640), (146, 2757760), (155, 2597632), (160, 2516456), (248, 1623520), (256, 1572785), (278, 1448320), (292, 1378880), (310, 1298816), (320, 1258228), (365, 1103104), (496, 811760), (556, 724160), (584, 689440), (620, 649408), (640, 629114), (695, 579328), (730, 551552), (992, 405880), (1112, 362080), (1168, 344720), (1240, 324704), (1280, 314557), (1390, 289664), (1460, 275776), (1984, 202940), (2224, 181040), (2263, 177920), (2336, 172360), (2480, 162352), (2780, 144832), (2920, 137888), (3968, 101470), (4309, 93440), (4448, 90520), (4526, 88960), (4672, 86180), (4960, 81176), (5560, 72416), (5840, 68944), (7936, 50735), (8618, 46720), (8896, 45260), (9052, 44480), (9344, 43090), (9920, 40588), (10147, 39680), (11120, 36208), (11315, 35584), (11680, 34472), (17236, 23360), (17792, 22630), (18104, 22240), (18688, 21545), (19840, 20294)]