65697680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 160704000

約数和(自身を除く): 95006320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 155, 236, 248, 295, 310, 449, 472, 496, 590, 620, 898, 944, 1180, 1240, 1796, 1829, 2245, 2360, 2480, 3592, 3658, 4490, 4720, 7184, 7316, 8980, 9145, 13919, 14632, 17960, 18290, 26491, 27838, 29264, 35920, 36580, 52982, 55676, 69595, 73160, 105964, 111352, 132455, 139190, 146320, 211928, 222704, 264910, 278380, 423856, 529820, 556760, 821221, 1059640, 1113520, 1642442, 2119280, 3284884, 4106105, 6569768, 8212210, 13139536, 16424420, 32848840, 65697680]

約数ペア:

[(1, 65697680), (2, 32848840), (4, 16424420), (5, 13139536), (8, 8212210), (10, 6569768), (16, 4106105), (20, 3284884), (31, 2119280), (40, 1642442), (59, 1113520), (62, 1059640), (80, 821221), (118, 556760), (124, 529820), (155, 423856), (236, 278380), (248, 264910), (295, 222704), (310, 211928), (449, 146320), (472, 139190), (496, 132455), (590, 111352), (620, 105964), (898, 73160), (944, 69595), (1180, 55676), (1240, 52982), (1796, 36580), (1829, 35920), (2245, 29264), (2360, 27838), (2480, 26491), (3592, 18290), (3658, 17960), (4490, 14632), (4720, 13919), (7184, 9145), (7316, 8980)]