218465910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20747}}^1$

素因数の和:20779

約数の個数: 80

約数和(自身を含む): 632648016

約数和(自身を除く): 414182106

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2106, 3510, 5265, 10530, 20747, 41494, 62241, 103735, 124482, 186723, 207470, 269711, 311205, 373446, 539422, 560169, 622410, 809133, 933615, 1120338, 1348555, 1618266, 1680507, 1867230, 2427399, 2697110, 2800845, 3361014, 4045665, 4854798, 5601690, 7282197, 8091330, 8402535, 12136995, 14564394, 16805070, 21846591, 24273990, 36410985, 43693182, 72821970, 109232955, 218465910]

約数ペア:

[(1, 218465910), (2, 109232955), (3, 72821970), (5, 43693182), (6, 36410985), (9, 24273990), (10, 21846591), (13, 16805070), (15, 14564394), (18, 12136995), (26, 8402535), (27, 8091330), (30, 7282197), (39, 5601690), (45, 4854798), (54, 4045665), (65, 3361014), (78, 2800845), (81, 2697110), (90, 2427399), (117, 1867230), (130, 1680507), (135, 1618266), (162, 1348555), (195, 1120338), (234, 933615), (270, 809133), (351, 622410), (390, 560169), (405, 539422), (585, 373446), (702, 311205), (810, 269711), (1053, 207470), (1170, 186723), (1755, 124482), (2106, 103735), (3510, 62241), (5265, 41494), (10530, 20747)]