77120560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 120

約数和(自身を含む): 204236928

約数和(自身を除く): 127116368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 242, 248, 257, 310, 341, 440, 484, 496, 514, 605, 620, 682, 880, 968, 1028, 1210, 1240, 1285, 1364, 1705, 1936, 2056, 2420, 2480, 2570, 2728, 2827, 3410, 3751, 4112, 4840, 5140, 5456, 5654, 6820, 7502, 7967, 9680, 10280, 11308, 13640, 14135, 15004, 15934, 18755, 20560, 22616, 27280, 28270, 30008, 31097, 31868, 37510, 39835, 45232, 56540, 60016, 62194, 63736, 75020, 79670, 87637, 113080, 124388, 127472, 150040, 155485, 159340, 175274, 226160, 248776, 300080, 310970, 318680, 350548, 438185, 497552, 621940, 637360, 701096, 876370, 964007, 1243880, 1402192, 1752740, 1928014, 2487760, 3505480, 3856028, 4820035, 7010960, 7712056, 9640070, 15424112, 19280140, 38560280, 77120560]

約数ペア:

[(1, 77120560), (2, 38560280), (4, 19280140), (5, 15424112), (8, 9640070), (10, 7712056), (11, 7010960), (16, 4820035), (20, 3856028), (22, 3505480), (31, 2487760), (40, 1928014), (44, 1752740), (55, 1402192), (62, 1243880), (80, 964007), (88, 876370), (110, 701096), (121, 637360), (124, 621940), (155, 497552), (176, 438185), (220, 350548), (242, 318680), (248, 310970), (257, 300080), (310, 248776), (341, 226160), (440, 175274), (484, 159340), (496, 155485), (514, 150040), (605, 127472), (620, 124388), (682, 113080), (880, 87637), (968, 79670), (1028, 75020), (1210, 63736), (1240, 62194), (1285, 60016), (1364, 56540), (1705, 45232), (1936, 39835), (2056, 37510), (2420, 31868), (2480, 31097), (2570, 30008), (2728, 28270), (2827, 27280), (3410, 22616), (3751, 20560), (4112, 18755), (4840, 15934), (5140, 15004), (5456, 14135), (5654, 13640), (6820, 11308), (7502, 10280), (7967, 9680)]