65660800

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 174732120

約数和(自身を除く): 109071320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 71, 80, 85, 100, 128, 136, 142, 160, 170, 200, 272, 284, 289, 320, 340, 355, 400, 425, 544, 568, 578, 640, 680, 710, 800, 850, 1088, 1136, 1156, 1207, 1360, 1420, 1445, 1600, 1700, 1775, 2176, 2272, 2312, 2414, 2720, 2840, 2890, 3200, 3400, 3550, 4544, 4624, 4828, 5440, 5680, 5780, 6035, 6800, 7100, 7225, 9088, 9248, 9656, 10880, 11360, 11560, 12070, 13600, 14200, 14450, 18496, 19312, 20519, 22720, 23120, 24140, 27200, 28400, 28900, 30175, 36992, 38624, 41038, 45440, 46240, 48280, 54400, 56800, 57800, 60350, 77248, 82076, 92480, 96560, 102595, 113600, 115600, 120700, 154496, 164152, 184960, 193120, 205190, 227200, 231200, 241400, 328304, 386240, 410380, 462400, 482800, 512975, 656608, 772480, 820760, 924800, 965600, 1025950, 1313216, 1641520, 1931200, 2051900, 2626432, 3283040, 3862400, 4103800, 6566080, 8207600, 13132160, 16415200, 32830400, 65660800]

約数ペア:

[(1, 65660800), (2, 32830400), (4, 16415200), (5, 13132160), (8, 8207600), (10, 6566080), (16, 4103800), (17, 3862400), (20, 3283040), (25, 2626432), (32, 2051900), (34, 1931200), (40, 1641520), (50, 1313216), (64, 1025950), (68, 965600), (71, 924800), (80, 820760), (85, 772480), (100, 656608), (128, 512975), (136, 482800), (142, 462400), (160, 410380), (170, 386240), (200, 328304), (272, 241400), (284, 231200), (289, 227200), (320, 205190), (340, 193120), (355, 184960), (400, 164152), (425, 154496), (544, 120700), (568, 115600), (578, 113600), (640, 102595), (680, 96560), (710, 92480), (800, 82076), (850, 77248), (1088, 60350), (1136, 57800), (1156, 56800), (1207, 54400), (1360, 48280), (1420, 46240), (1445, 45440), (1600, 41038), (1700, 38624), (1775, 36992), (2176, 30175), (2272, 28900), (2312, 28400), (2414, 27200), (2720, 24140), (2840, 23120), (2890, 22720), (3200, 20519), (3400, 19312), (3550, 18496), (4544, 14450), (4624, 14200), (4828, 13600), (5440, 12070), (5680, 11560), (5780, 11360), (6035, 10880), (6800, 9656), (7100, 9248), (7225, 9088)]