65920880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1462

約数の個数: 80

約数和(自身を含む): 166656000

約数和(自身を除く): 100735120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1399, 1520, 2356, 2480, 2798, 2945, 4712, 5596, 5890, 6995, 9424, 11192, 11780, 13990, 22384, 23560, 26581, 27980, 43369, 47120, 53162, 55960, 86738, 106324, 111920, 132905, 173476, 212648, 216845, 265810, 346952, 425296, 433690, 531620, 693904, 824011, 867380, 1063240, 1648022, 1734760, 2126480, 3296044, 3469520, 4120055, 6592088, 8240110, 13184176, 16480220, 32960440, 65920880]

約数ペア:

[(1, 65920880), (2, 32960440), (4, 16480220), (5, 13184176), (8, 8240110), (10, 6592088), (16, 4120055), (19, 3469520), (20, 3296044), (31, 2126480), (38, 1734760), (40, 1648022), (62, 1063240), (76, 867380), (80, 824011), (95, 693904), (124, 531620), (152, 433690), (155, 425296), (190, 346952), (248, 265810), (304, 216845), (310, 212648), (380, 173476), (496, 132905), (589, 111920), (620, 106324), (760, 86738), (1178, 55960), (1240, 53162), (1399, 47120), (1520, 43369), (2356, 27980), (2480, 26581), (2798, 23560), (2945, 22384), (4712, 13990), (5596, 11780), (5890, 11192), (6995, 9424)]