80926120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 136801880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 110, 124, 136, 155, 170, 187, 220, 248, 310, 340, 341, 349, 374, 440, 527, 620, 680, 682, 698, 748, 935, 1054, 1240, 1364, 1396, 1496, 1705, 1745, 1870, 2108, 2635, 2728, 2792, 3410, 3490, 3740, 3839, 4216, 5270, 5797, 5933, 6820, 6980, 7480, 7678, 10540, 10819, 11594, 11866, 13640, 13960, 15356, 19195, 21080, 21638, 23188, 23732, 28985, 29665, 30712, 38390, 43276, 46376, 47464, 54095, 57970, 59330, 65263, 76780, 86552, 108190, 115940, 118660, 119009, 130526, 153560, 183923, 216380, 231880, 237320, 238018, 261052, 326315, 367846, 432760, 476036, 522104, 595045, 652630, 735692, 919615, 952072, 1190090, 1305260, 1471384, 1839230, 2023153, 2380180, 2610520, 3678460, 4046306, 4760360, 7356920, 8092612, 10115765, 16185224, 20231530, 40463060, 80926120]

約数ペア:

[(1, 80926120), (2, 40463060), (4, 20231530), (5, 16185224), (8, 10115765), (10, 8092612), (11, 7356920), (17, 4760360), (20, 4046306), (22, 3678460), (31, 2610520), (34, 2380180), (40, 2023153), (44, 1839230), (55, 1471384), (62, 1305260), (68, 1190090), (85, 952072), (88, 919615), (110, 735692), (124, 652630), (136, 595045), (155, 522104), (170, 476036), (187, 432760), (220, 367846), (248, 326315), (310, 261052), (340, 238018), (341, 237320), (349, 231880), (374, 216380), (440, 183923), (527, 153560), (620, 130526), (680, 119009), (682, 118660), (698, 115940), (748, 108190), (935, 86552), (1054, 76780), (1240, 65263), (1364, 59330), (1396, 57970), (1496, 54095), (1705, 47464), (1745, 46376), (1870, 43276), (2108, 38390), (2635, 30712), (2728, 29665), (2792, 28985), (3410, 23732), (3490, 23188), (3740, 21638), (3839, 21080), (4216, 19195), (5270, 15356), (5797, 13960), (5933, 13640), (6820, 11866), (6980, 11594), (7480, 10819), (7678, 10540)]