668500080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1657}}^1$

素因数の和:1755

約数の個数: 120

約数和(自身を含む): 2125410096

約数和(自身を除く): 1456910016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1657, 1681, 1968, 2460, 3280, 3314, 3362, 4920, 4971, 5043, 6628, 6724, 8285, 8405, 9840, 9942, 10086, 13256, 13448, 16570, 16810, 19884, 20172, 24855, 25215, 26512, 26896, 33140, 33620, 39768, 40344, 49710, 50430, 66280, 67240, 67937, 79536, 80688, 99420, 100860, 132560, 134480, 135874, 198840, 201720, 203811, 271748, 339685, 397680, 403440, 407622, 543496, 679370, 815244, 1019055, 1086992, 1358740, 1630488, 2038110, 2717480, 2785417, 3260976, 4076220, 5434960, 5570834, 8152440, 8356251, 11141668, 13927085, 16304880, 16712502, 22283336, 27854170, 33425004, 41781255, 44566672, 55708340, 66850008, 83562510, 111416680, 133700016, 167125020, 222833360, 334250040, 668500080]

約数ペア:

[(1, 668500080), (2, 334250040), (3, 222833360), (4, 167125020), (5, 133700016), (6, 111416680), (8, 83562510), (10, 66850008), (12, 55708340), (15, 44566672), (16, 41781255), (20, 33425004), (24, 27854170), (30, 22283336), (40, 16712502), (41, 16304880), (48, 13927085), (60, 11141668), (80, 8356251), (82, 8152440), (120, 5570834), (123, 5434960), (164, 4076220), (205, 3260976), (240, 2785417), (246, 2717480), (328, 2038110), (410, 1630488), (492, 1358740), (615, 1086992), (656, 1019055), (820, 815244), (984, 679370), (1230, 543496), (1640, 407622), (1657, 403440), (1681, 397680), (1968, 339685), (2460, 271748), (3280, 203811), (3314, 201720), (3362, 198840), (4920, 135874), (4971, 134480), (5043, 132560), (6628, 100860), (6724, 99420), (8285, 80688), (8405, 79536), (9840, 67937), (9942, 67240), (10086, 66280), (13256, 50430), (13448, 49710), (16570, 40344), (16810, 39768), (19884, 33620), (20172, 33140), (24855, 26896), (25215, 26512)]