248982080

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1388

約数の個数: 112

約数和(自身を含む): 644712960

約数和(自身を除く): 395730880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 760, 992, 1178, 1216, 1240, 1321, 1520, 1984, 2356, 2480, 2642, 2945, 3040, 4712, 4960, 5284, 5890, 6080, 6605, 9424, 9920, 10568, 11780, 13210, 18848, 21136, 23560, 25099, 26420, 37696, 40951, 42272, 47120, 50198, 52840, 81902, 84544, 94240, 100396, 105680, 125495, 163804, 188480, 200792, 204755, 211360, 250990, 327608, 401584, 409510, 422720, 501980, 655216, 778069, 803168, 819020, 1003960, 1310432, 1556138, 1606336, 1638040, 2007920, 2620864, 3112276, 3276080, 3890345, 4015840, 6224552, 6552160, 7780690, 8031680, 12449104, 13104320, 15561380, 24898208, 31122760, 49796416, 62245520, 124491040, 248982080]

約数ペア:

[(1, 248982080), (2, 124491040), (4, 62245520), (5, 49796416), (8, 31122760), (10, 24898208), (16, 15561380), (19, 13104320), (20, 12449104), (31, 8031680), (32, 7780690), (38, 6552160), (40, 6224552), (62, 4015840), (64, 3890345), (76, 3276080), (80, 3112276), (95, 2620864), (124, 2007920), (152, 1638040), (155, 1606336), (160, 1556138), (190, 1310432), (248, 1003960), (304, 819020), (310, 803168), (320, 778069), (380, 655216), (496, 501980), (589, 422720), (608, 409510), (620, 401584), (760, 327608), (992, 250990), (1178, 211360), (1216, 204755), (1240, 200792), (1321, 188480), (1520, 163804), (1984, 125495), (2356, 105680), (2480, 100396), (2642, 94240), (2945, 84544), (3040, 81902), (4712, 52840), (4960, 50198), (5284, 47120), (5890, 42272), (6080, 40951), (6605, 37696), (9424, 26420), (9920, 25099), (10568, 23560), (11780, 21136), (13210, 18848)]