990874920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{69389}}^1$

素因数の和:69427

約数の個数: 128

約数和(自身を含む): 3597177600

約数和(自身を除く): 2606302680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 69389, 138778, 208167, 277556, 346945, 416334, 485723, 555112, 693890, 832668, 971446, 1040835, 1179613, 1387780, 1457169, 1665336, 1942892, 2081670, 2359226, 2428615, 2775560, 2914338, 3538839, 3885784, 4163340, 4718452, 4857230, 5828676, 5898065, 7077678, 7285845, 8257291, 8326680, 9436904, 9714460, 11657352, 11796130, 14155356, 14571690, 16514582, 17694195, 19428920, 23592260, 24771873, 28310712, 29143380, 33029164, 35388390, 41286455, 47184520, 49543746, 58286760, 66058328, 70776780, 82572910, 99087492, 123859365, 141553560, 165145820, 198174984, 247718730, 330291640, 495437460, 990874920]

約数ペア:

[(1, 990874920), (2, 495437460), (3, 330291640), (4, 247718730), (5, 198174984), (6, 165145820), (7, 141553560), (8, 123859365), (10, 99087492), (12, 82572910), (14, 70776780), (15, 66058328), (17, 58286760), (20, 49543746), (21, 47184520), (24, 41286455), (28, 35388390), (30, 33029164), (34, 29143380), (35, 28310712), (40, 24771873), (42, 23592260), (51, 19428920), (56, 17694195), (60, 16514582), (68, 14571690), (70, 14155356), (84, 11796130), (85, 11657352), (102, 9714460), (105, 9436904), (119, 8326680), (120, 8257291), (136, 7285845), (140, 7077678), (168, 5898065), (170, 5828676), (204, 4857230), (210, 4718452), (238, 4163340), (255, 3885784), (280, 3538839), (340, 2914338), (357, 2775560), (408, 2428615), (420, 2359226), (476, 2081670), (510, 1942892), (595, 1665336), (680, 1457169), (714, 1387780), (840, 1179613), (952, 1040835), (1020, 971446), (1190, 832668), (1428, 693890), (1785, 555112), (2040, 485723), (2380, 416334), (2856, 346945), (3570, 277556), (4760, 208167), (7140, 138778), (14280, 69389)]