42781830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15671}}^1$

素因数の和:15701

約数の個数: 64

約数和(自身を含む): 126379008

約数和(自身を除く): 83597178

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 15671, 31342, 47013, 78355, 94026, 109697, 156710, 203723, 219394, 235065, 329091, 407446, 470130, 548485, 611169, 658182, 1018615, 1096970, 1222338, 1426061, 1645455, 2037230, 2852122, 3055845, 3290910, 4278183, 6111690, 7130305, 8556366, 14260610, 21390915, 42781830]

約数ペア:

[(1, 42781830), (2, 21390915), (3, 14260610), (5, 8556366), (6, 7130305), (7, 6111690), (10, 4278183), (13, 3290910), (14, 3055845), (15, 2852122), (21, 2037230), (26, 1645455), (30, 1426061), (35, 1222338), (39, 1096970), (42, 1018615), (65, 658182), (70, 611169), (78, 548485), (91, 470130), (105, 407446), (130, 329091), (182, 235065), (195, 219394), (210, 203723), (273, 156710), (390, 109697), (455, 94026), (546, 78355), (910, 47013), (1365, 31342), (2730, 15671)]