272331280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8447}}^1$

素因数の和:8504

約数の個数: 80

約数和(自身を含む): 703954944

約数和(自身を除く): 431623664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 8447, 16120, 16894, 32240, 33788, 42235, 67576, 84470, 109811, 135152, 168940, 219622, 261857, 337880, 439244, 523714, 549055, 675760, 878488, 1047428, 1098110, 1309285, 1756976, 2094856, 2196220, 2618570, 3404141, 4189712, 4392440, 5237140, 6808282, 8784880, 10474280, 13616564, 17020705, 20948560, 27233128, 34041410, 54466256, 68082820, 136165640, 272331280]

約数ペア:

[(1, 272331280), (2, 136165640), (4, 68082820), (5, 54466256), (8, 34041410), (10, 27233128), (13, 20948560), (16, 17020705), (20, 13616564), (26, 10474280), (31, 8784880), (40, 6808282), (52, 5237140), (62, 4392440), (65, 4189712), (80, 3404141), (104, 2618570), (124, 2196220), (130, 2094856), (155, 1756976), (208, 1309285), (248, 1098110), (260, 1047428), (310, 878488), (403, 675760), (496, 549055), (520, 523714), (620, 439244), (806, 337880), (1040, 261857), (1240, 219622), (1612, 168940), (2015, 135152), (2480, 109811), (3224, 84470), (4030, 67576), (6448, 42235), (8060, 33788), (8447, 32240), (16120, 16894)]