68118160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:293

約数の個数: 120

約数和(自身を含む): 180488448

約数和(自身を除く): 112370288

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, 227, 242, 248, 310, 341, 440, 454, 484, 496, 605, 620, 682, 880, 908, 968, 1135, 1210, 1240, 1364, 1705, 1816, 1936, 2270, 2420, 2480, 2497, 2728, 3410, 3632, 3751, 4540, 4840, 4994, 5456, 6820, 7037, 7502, 9080, 9680, 9988, 12485, 13640, 14074, 15004, 18160, 18755, 19976, 24970, 27280, 27467, 28148, 30008, 35185, 37510, 39952, 49940, 54934, 56296, 60016, 70370, 75020, 77407, 99880, 109868, 112592, 137335, 140740, 150040, 154814, 199760, 219736, 274670, 281480, 300080, 309628, 387035, 439472, 549340, 562960, 619256, 774070, 851477, 1098680, 1238512, 1548140, 1702954, 2197360, 3096280, 3405908, 4257385, 6192560, 6811816, 8514770, 13623632, 17029540, 34059080, 68118160]

約数ペア:

[(1, 68118160), (2, 34059080), (4, 17029540), (5, 13623632), (8, 8514770), (10, 6811816), (11, 6192560), (16, 4257385), (20, 3405908), (22, 3096280), (31, 2197360), (40, 1702954), (44, 1548140), (55, 1238512), (62, 1098680), (80, 851477), (88, 774070), (110, 619256), (121, 562960), (124, 549340), (155, 439472), (176, 387035), (220, 309628), (227, 300080), (242, 281480), (248, 274670), (310, 219736), (341, 199760), (440, 154814), (454, 150040), (484, 140740), (496, 137335), (605, 112592), (620, 109868), (682, 99880), (880, 77407), (908, 75020), (968, 70370), (1135, 60016), (1210, 56296), (1240, 54934), (1364, 49940), (1705, 39952), (1816, 37510), (1936, 35185), (2270, 30008), (2420, 28148), (2480, 27467), (2497, 27280), (2728, 24970), (3410, 19976), (3632, 18755), (3751, 18160), (4540, 15004), (4840, 14074), (4994, 13640), (5456, 12485), (6820, 9988), (7037, 9680), (7502, 9080)]