64217120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 173746944

約数和(自身を除く): 109529824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 107, 110, 121, 124, 155, 160, 176, 214, 220, 242, 248, 310, 341, 352, 428, 440, 484, 496, 535, 605, 620, 682, 856, 880, 968, 992, 1070, 1177, 1210, 1240, 1364, 1705, 1712, 1760, 1936, 2140, 2354, 2420, 2480, 2728, 3317, 3410, 3424, 3751, 3872, 4280, 4708, 4840, 4960, 5456, 5885, 6634, 6820, 7502, 8560, 9416, 9680, 10912, 11770, 12947, 13268, 13640, 15004, 16585, 17120, 18755, 18832, 19360, 23540, 25894, 26536, 27280, 30008, 33170, 36487, 37510, 37664, 47080, 51788, 53072, 54560, 60016, 64735, 66340, 72974, 75020, 94160, 103576, 106144, 120032, 129470, 132680, 145948, 150040, 182435, 188320, 207152, 258940, 265360, 291896, 300080, 364870, 401357, 414304, 517880, 530720, 583792, 600160, 729740, 802714, 1035760, 1167584, 1459480, 1605428, 2006785, 2071520, 2918960, 3210856, 4013570, 5837920, 6421712, 8027140, 12843424, 16054280, 32108560, 64217120]

約数ペア:

[(1, 64217120), (2, 32108560), (4, 16054280), (5, 12843424), (8, 8027140), (10, 6421712), (11, 5837920), (16, 4013570), (20, 3210856), (22, 2918960), (31, 2071520), (32, 2006785), (40, 1605428), (44, 1459480), (55, 1167584), (62, 1035760), (80, 802714), (88, 729740), (107, 600160), (110, 583792), (121, 530720), (124, 517880), (155, 414304), (160, 401357), (176, 364870), (214, 300080), (220, 291896), (242, 265360), (248, 258940), (310, 207152), (341, 188320), (352, 182435), (428, 150040), (440, 145948), (484, 132680), (496, 129470), (535, 120032), (605, 106144), (620, 103576), (682, 94160), (856, 75020), (880, 72974), (968, 66340), (992, 64735), (1070, 60016), (1177, 54560), (1210, 53072), (1240, 51788), (1364, 47080), (1705, 37664), (1712, 37510), (1760, 36487), (1936, 33170), (2140, 30008), (2354, 27280), (2420, 26536), (2480, 25894), (2728, 23540), (3317, 19360), (3410, 18832), (3424, 18755), (3751, 17120), (3872, 16585), (4280, 15004), (4708, 13640), (4840, 13268), (4960, 12947), (5456, 11770), (5885, 10912), (6634, 9680), (6820, 9416), (7502, 8560)]