681127040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3121}}^1$

素因数の和:3182

約数の個数: 128

約数和(自身を含む): 1834237440

約数和(自身を除く): 1153110400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 992, 1240, 1364, 1408, 1705, 1760, 1984, 2480, 2728, 3121, 3410, 3520, 3968, 4960, 5456, 6242, 6820, 7040, 9920, 10912, 12484, 13640, 15605, 19840, 21824, 24968, 27280, 31210, 34331, 43648, 49936, 54560, 62420, 68662, 96751, 99872, 109120, 124840, 137324, 171655, 193502, 199744, 218240, 249680, 274648, 343310, 387004, 399488, 483755, 499360, 549296, 686620, 774008, 967510, 998720, 1064261, 1098592, 1373240, 1548016, 1935020, 1997440, 2128522, 2197184, 2746480, 3096032, 3870040, 4257044, 4394368, 5321305, 5492960, 6192064, 7740080, 8514088, 10642610, 10985920, 12384128, 15480160, 17028176, 21285220, 21971840, 30960320, 34056352, 42570440, 61920640, 68112704, 85140880, 136225408, 170281760, 340563520, 681127040]

約数ペア:

[(1, 681127040), (2, 340563520), (4, 170281760), (5, 136225408), (8, 85140880), (10, 68112704), (11, 61920640), (16, 42570440), (20, 34056352), (22, 30960320), (31, 21971840), (32, 21285220), (40, 17028176), (44, 15480160), (55, 12384128), (62, 10985920), (64, 10642610), (80, 8514088), (88, 7740080), (110, 6192064), (124, 5492960), (128, 5321305), (155, 4394368), (160, 4257044), (176, 3870040), (220, 3096032), (248, 2746480), (310, 2197184), (320, 2128522), (341, 1997440), (352, 1935020), (440, 1548016), (496, 1373240), (620, 1098592), (640, 1064261), (682, 998720), (704, 967510), (880, 774008), (992, 686620), (1240, 549296), (1364, 499360), (1408, 483755), (1705, 399488), (1760, 387004), (1984, 343310), (2480, 274648), (2728, 249680), (3121, 218240), (3410, 199744), (3520, 193502), (3968, 171655), (4960, 137324), (5456, 124840), (6242, 109120), (6820, 99872), (7040, 96751), (9920, 68662), (10912, 62420), (12484, 54560), (13640, 49936), (15605, 43648), (19840, 34331), (21824, 31210), (24968, 27280)]