817264880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{6421}}^1$

素因数の和:6514

約数の個数: 80

約数和(自身を含む): 1997190624

約数和(自身を除く): 1179925744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 344, 370, 430, 592, 688, 740, 860, 1480, 1591, 1720, 2960, 3182, 3440, 6364, 6421, 7955, 12728, 12842, 15910, 25456, 25684, 31820, 32105, 51368, 63640, 64210, 102736, 127280, 128420, 237577, 256840, 276103, 475154, 513680, 552206, 950308, 1104412, 1187885, 1380515, 1900616, 2208824, 2375770, 2761030, 3801232, 4417648, 4751540, 5522060, 9503080, 10215811, 11044120, 19006160, 20431622, 22088240, 40863244, 51079055, 81726488, 102158110, 163452976, 204316220, 408632440, 817264880]

約数ペア:

[(1, 817264880), (2, 408632440), (4, 204316220), (5, 163452976), (8, 102158110), (10, 81726488), (16, 51079055), (20, 40863244), (37, 22088240), (40, 20431622), (43, 19006160), (74, 11044120), (80, 10215811), (86, 9503080), (148, 5522060), (172, 4751540), (185, 4417648), (215, 3801232), (296, 2761030), (344, 2375770), (370, 2208824), (430, 1900616), (592, 1380515), (688, 1187885), (740, 1104412), (860, 950308), (1480, 552206), (1591, 513680), (1720, 475154), (2960, 276103), (3182, 256840), (3440, 237577), (6364, 128420), (6421, 127280), (7955, 102736), (12728, 64210), (12842, 63640), (15910, 51368), (25456, 32105), (25684, 31820)]