128115870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{397}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 319113216

約数和(自身を除く): 190997346

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 347, 397, 465, 694, 794, 930, 1041, 1191, 1735, 1985, 2082, 2382, 3470, 3970, 5205, 5955, 10410, 10757, 11910, 12307, 21514, 24614, 32271, 36921, 53785, 61535, 64542, 73842, 107570, 123070, 137759, 161355, 184605, 275518, 322710, 369210, 413277, 688795, 826554, 1377590, 2066385, 4132770, 4270529, 8541058, 12811587, 21352645, 25623174, 42705290, 64057935, 128115870]

約数ペア:

[(1, 128115870), (2, 64057935), (3, 42705290), (5, 25623174), (6, 21352645), (10, 12811587), (15, 8541058), (30, 4270529), (31, 4132770), (62, 2066385), (93, 1377590), (155, 826554), (186, 688795), (310, 413277), (347, 369210), (397, 322710), (465, 275518), (694, 184605), (794, 161355), (930, 137759), (1041, 123070), (1191, 107570), (1735, 73842), (1985, 64542), (2082, 61535), (2382, 53785), (3470, 36921), (3970, 32271), (5205, 24614), (5955, 21514), (10410, 12307), (10757, 11910)]