140447280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{12451}}^1$

素因数の和:12514

約数の個数: 80

約数和(自身を含む): 444685824

約数和(自身を除く): 304238544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 12451, 24902, 37353, 49804, 62255, 74706, 99608, 124510, 149412, 186765, 199216, 249020, 298824, 373530, 498040, 585197, 597648, 747060, 996080, 1170394, 1494120, 1755591, 2340788, 2925985, 2988240, 3511182, 4681576, 5851970, 7022364, 8777955, 9363152, 11703940, 14044728, 17555910, 23407880, 28089456, 35111820, 46815760, 70223640, 140447280]

約数ペア:

[(1, 140447280), (2, 70223640), (3, 46815760), (4, 35111820), (5, 28089456), (6, 23407880), (8, 17555910), (10, 14044728), (12, 11703940), (15, 9363152), (16, 8777955), (20, 7022364), (24, 5851970), (30, 4681576), (40, 3511182), (47, 2988240), (48, 2925985), (60, 2340788), (80, 1755591), (94, 1494120), (120, 1170394), (141, 996080), (188, 747060), (235, 597648), (240, 585197), (282, 498040), (376, 373530), (470, 298824), (564, 249020), (705, 199216), (752, 186765), (940, 149412), (1128, 124510), (1410, 99608), (1880, 74706), (2256, 62255), (2820, 49804), (3760, 37353), (5640, 24902), (11280, 12451)]