70474740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23971}}^1$

素因数の和:23997

約数の個数: 72

約数和(自身を含む): 229555872

約数和(自身を除く): 159081132

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, 23971, 47942, 71913, 95884, 119855, 143826, 167797, 239710, 287652, 335594, 359565, 479420, 503391, 671188, 719130, 838985, 1006782, 1174579, 1438260, 1677970, 2013564, 2349158, 2516955, 3355940, 3523737, 4698316, 5033910, 5872895, 7047474, 10067820, 11745790, 14094948, 17618685, 23491580, 35237370, 70474740]

約数ペア:

[(1, 70474740), (2, 35237370), (3, 23491580), (4, 17618685), (5, 14094948), (6, 11745790), (7, 10067820), (10, 7047474), (12, 5872895), (14, 5033910), (15, 4698316), (20, 3523737), (21, 3355940), (28, 2516955), (30, 2349158), (35, 2013564), (42, 1677970), (49, 1438260), (60, 1174579), (70, 1006782), (84, 838985), (98, 719130), (105, 671188), (140, 503391), (147, 479420), (196, 359565), (210, 335594), (245, 287652), (294, 239710), (420, 167797), (490, 143826), (588, 119855), (735, 95884), (980, 71913), (1470, 47942), (2940, 23971)]