88315280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 214272000

約数和(自身を除く): 125956720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 149, 155, 239, 248, 298, 310, 478, 496, 596, 620, 745, 956, 1192, 1195, 1240, 1490, 1912, 2384, 2390, 2480, 2980, 3824, 4619, 4780, 5960, 7409, 9238, 9560, 11920, 14818, 18476, 19120, 23095, 29636, 35611, 36952, 37045, 46190, 59272, 71222, 73904, 74090, 92380, 118544, 142444, 148180, 178055, 184760, 284888, 296360, 356110, 369520, 569776, 592720, 712220, 1103941, 1424440, 2207882, 2848880, 4415764, 5519705, 8831528, 11039410, 17663056, 22078820, 44157640, 88315280]

約数ペア:

[(1, 88315280), (2, 44157640), (4, 22078820), (5, 17663056), (8, 11039410), (10, 8831528), (16, 5519705), (20, 4415764), (31, 2848880), (40, 2207882), (62, 1424440), (80, 1103941), (124, 712220), (149, 592720), (155, 569776), (239, 369520), (248, 356110), (298, 296360), (310, 284888), (478, 184760), (496, 178055), (596, 148180), (620, 142444), (745, 118544), (956, 92380), (1192, 74090), (1195, 73904), (1240, 71222), (1490, 59272), (1912, 46190), (2384, 37045), (2390, 36952), (2480, 35611), (2980, 29636), (3824, 23095), (4619, 19120), (4780, 18476), (5960, 14818), (7409, 11920), (9238, 9560)]