70415940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 235109952

約数和(自身を除く): 164694012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 420, 430, 490, 516, 557, 588, 602, 645, 735, 860, 903, 980, 1114, 1204, 1290, 1470, 1505, 1671, 1806, 2107, 2228, 2580, 2785, 2940, 3010, 3342, 3612, 3899, 4214, 4515, 5570, 6020, 6321, 6684, 7798, 8355, 8428, 9030, 10535, 11140, 11697, 12642, 15596, 16710, 18060, 19495, 21070, 23394, 23951, 25284, 27293, 31605, 33420, 38990, 42140, 46788, 47902, 54586, 58485, 63210, 71853, 77980, 81879, 95804, 109172, 116970, 119755, 126420, 136465, 143706, 163758, 167657, 233940, 239510, 272930, 287412, 327516, 335314, 359265, 409395, 479020, 502971, 545860, 670628, 718530, 818790, 838285, 1005942, 1173599, 1437060, 1637580, 1676570, 2011884, 2347198, 2514855, 3353140, 3520797, 4694396, 5029710, 5867995, 7041594, 10059420, 11735990, 14083188, 17603985, 23471980, 35207970, 70415940]

約数ペア:

[(1, 70415940), (2, 35207970), (3, 23471980), (4, 17603985), (5, 14083188), (6, 11735990), (7, 10059420), (10, 7041594), (12, 5867995), (14, 5029710), (15, 4694396), (20, 3520797), (21, 3353140), (28, 2514855), (30, 2347198), (35, 2011884), (42, 1676570), (43, 1637580), (49, 1437060), (60, 1173599), (70, 1005942), (84, 838285), (86, 818790), (98, 718530), (105, 670628), (129, 545860), (140, 502971), (147, 479020), (172, 409395), (196, 359265), (210, 335314), (215, 327516), (245, 287412), (258, 272930), (294, 239510), (301, 233940), (420, 167657), (430, 163758), (490, 143706), (516, 136465), (557, 126420), (588, 119755), (602, 116970), (645, 109172), (735, 95804), (860, 81879), (903, 77980), (980, 71853), (1114, 63210), (1204, 58485), (1290, 54586), (1470, 47902), (1505, 46788), (1671, 42140), (1806, 38990), (2107, 33420), (2228, 31605), (2580, 27293), (2785, 25284), (2940, 23951), (3010, 23394), (3342, 21070), (3612, 19495), (3899, 18060), (4214, 16710), (4515, 15596), (5570, 12642), (6020, 11697), (6321, 11140), (6684, 10535), (7798, 9030), (8355, 8428)]