81631830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16901}}^1$

素因数の和:16941

約数の個数: 64

約数和(自身を含む): 233653248

約数和(自身を除く): 152021418

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4830, 16901, 33802, 50703, 84505, 101406, 118307, 169010, 236614, 253515, 354921, 388723, 507030, 591535, 709842, 777446, 1166169, 1183070, 1774605, 1943615, 2332338, 2721061, 3549210, 3887230, 5442122, 5830845, 8163183, 11661690, 13605305, 16326366, 27210610, 40815915, 81631830]

約数ペア:

[(1, 81631830), (2, 40815915), (3, 27210610), (5, 16326366), (6, 13605305), (7, 11661690), (10, 8163183), (14, 5830845), (15, 5442122), (21, 3887230), (23, 3549210), (30, 2721061), (35, 2332338), (42, 1943615), (46, 1774605), (69, 1183070), (70, 1166169), (105, 777446), (115, 709842), (138, 591535), (161, 507030), (210, 388723), (230, 354921), (322, 253515), (345, 236614), (483, 169010), (690, 118307), (805, 101406), (966, 84505), (1610, 50703), (2415, 33802), (4830, 16901)]