312495540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{106291}}^1$

素因数の和:106317

約数の個数: 72

約数和(自身を含む): 1017852192

約数和(自身を除く): 705356652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 106291, 212582, 318873, 425164, 531455, 637746, 744037, 1062910, 1275492, 1488074, 1594365, 2125820, 2232111, 2976148, 3188730, 3720185, 4464222, 5208259, 6377460, 7440370, 8928444, 10416518, 11160555, 14880740, 15624777, 20833036, 22321110, 26041295, 31249554, 44642220, 52082590, 62499108, 78123885, 104165180, 156247770, 312495540]

約数ペア:

[(1, 312495540), (2, 156247770), (3, 104165180), (4, 78123885), (5, 62499108), (6, 52082590), (7, 44642220), (10, 31249554), (12, 26041295), (14, 22321110), (15, 20833036), (20, 15624777), (21, 14880740), (28, 11160555), (30, 10416518), (35, 8928444), (42, 7440370), (49, 6377460), (60, 5208259), (70, 4464222), (84, 3720185), (98, 3188730), (105, 2976148), (140, 2232111), (147, 2125820), (196, 1594365), (210, 1488074), (245, 1275492), (294, 1062910), (420, 744037), (490, 637746), (588, 531455), (735, 425164), (980, 318873), (1470, 212582), (2940, 106291)]