261690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:95

約数の個数: 64

約数和(自身を含む): 749952

約数和(自身を除く): 488262

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 61, 65, 66, 78, 110, 122, 130, 143, 165, 183, 195, 286, 305, 330, 366, 390, 429, 610, 671, 715, 793, 858, 915, 1342, 1430, 1586, 1830, 2013, 2145, 2379, 3355, 3965, 4026, 4290, 4758, 6710, 7930, 8723, 10065, 11895, 17446, 20130, 23790, 26169, 43615, 52338, 87230, 130845, 261690]

約数ペア:

[(1, 261690), (2, 130845), (3, 87230), (5, 52338), (6, 43615), (10, 26169), (11, 23790), (13, 20130), (15, 17446), (22, 11895), (26, 10065), (30, 8723), (33, 7930), (39, 6710), (55, 4758), (61, 4290), (65, 4026), (66, 3965), (78, 3355), (110, 2379), (122, 2145), (130, 2013), (143, 1830), (165, 1586), (183, 1430), (195, 1342), (286, 915), (305, 858), (330, 793), (366, 715), (390, 671), (429, 610)]