291227640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:714

約数の個数: 192

約数和(自身を含む): 992839680

約数和(自身を除く): 701612040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 121, 124, 132, 155, 165, 186, 220, 242, 248, 264, 310, 330, 341, 363, 372, 440, 465, 484, 605, 620, 647, 660, 682, 726, 744, 930, 968, 1023, 1210, 1240, 1294, 1320, 1364, 1452, 1705, 1815, 1860, 1941, 2046, 2420, 2588, 2728, 2904, 3235, 3410, 3630, 3720, 3751, 3882, 4092, 4840, 5115, 5176, 6470, 6820, 7117, 7260, 7502, 7764, 8184, 9705, 10230, 11253, 12940, 13640, 14234, 14520, 15004, 15528, 18755, 19410, 20057, 20460, 21351, 22506, 25880, 28468, 30008, 35585, 37510, 38820, 40114, 40920, 42702, 45012, 56265, 56936, 60171, 71170, 75020, 77640, 78287, 80228, 85404, 90024, 100285, 106755, 112530, 120342, 142340, 150040, 156574, 160456, 170808, 200570, 213510, 220627, 225060, 234861, 240684, 284680, 300855, 313148, 391435, 401140, 427020, 441254, 450120, 469722, 481368, 601710, 626296, 661881, 782870, 802280, 854040, 882508, 939444, 1103135, 1174305, 1203420, 1323762, 1565740, 1765016, 1878888, 2206270, 2348610, 2406840, 2426897, 2647524, 3131480, 3309405, 4412540, 4697220, 4853794, 5295048, 6618810, 7280691, 8825080, 9394440, 9707588, 12134485, 13237620, 14561382, 19415176, 24268970, 26475240, 29122764, 36403455, 48537940, 58245528, 72806910, 97075880, 145613820, 291227640]

約数ペア:

[(1, 291227640), (2, 145613820), (3, 97075880), (4, 72806910), (5, 58245528), (6, 48537940), (8, 36403455), (10, 29122764), (11, 26475240), (12, 24268970), (15, 19415176), (20, 14561382), (22, 13237620), (24, 12134485), (30, 9707588), (31, 9394440), (33, 8825080), (40, 7280691), (44, 6618810), (55, 5295048), (60, 4853794), (62, 4697220), (66, 4412540), (88, 3309405), (93, 3131480), (110, 2647524), (120, 2426897), (121, 2406840), (124, 2348610), (132, 2206270), (155, 1878888), (165, 1765016), (186, 1565740), (220, 1323762), (242, 1203420), (248, 1174305), (264, 1103135), (310, 939444), (330, 882508), (341, 854040), (363, 802280), (372, 782870), (440, 661881), (465, 626296), (484, 601710), (605, 481368), (620, 469722), (647, 450120), (660, 441254), (682, 427020), (726, 401140), (744, 391435), (930, 313148), (968, 300855), (1023, 284680), (1210, 240684), (1240, 234861), (1294, 225060), (1320, 220627), (1364, 213510), (1452, 200570), (1705, 170808), (1815, 160456), (1860, 156574), (1941, 150040), (2046, 142340), (2420, 120342), (2588, 112530), (2728, 106755), (2904, 100285), (3235, 90024), (3410, 85404), (3630, 80228), (3720, 78287), (3751, 77640), (3882, 75020), (4092, 71170), (4840, 60171), (5115, 56936), (5176, 56265), (6470, 45012), (6820, 42702), (7117, 40920), (7260, 40114), (7502, 38820), (7764, 37510), (8184, 35585), (9705, 30008), (10230, 28468), (11253, 25880), (12940, 22506), (13640, 21351), (14234, 20460), (14520, 20057), (15004, 19410), (15528, 18755)]