81812190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 204456960

約数和(自身を除く): 122644770

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 271, 290, 347, 435, 542, 694, 813, 870, 1041, 1355, 1626, 1735, 2082, 2710, 3470, 4065, 5205, 7859, 8130, 10063, 10410, 15718, 20126, 23577, 30189, 39295, 47154, 50315, 60378, 78590, 94037, 100630, 117885, 150945, 188074, 235770, 282111, 301890, 470185, 564222, 940370, 1410555, 2727073, 2821110, 5454146, 8181219, 13635365, 16362438, 27270730, 40906095, 81812190]

約数ペア:

[(1, 81812190), (2, 40906095), (3, 27270730), (5, 16362438), (6, 13635365), (10, 8181219), (15, 5454146), (29, 2821110), (30, 2727073), (58, 1410555), (87, 940370), (145, 564222), (174, 470185), (271, 301890), (290, 282111), (347, 235770), (435, 188074), (542, 150945), (694, 117885), (813, 100630), (870, 94037), (1041, 78590), (1355, 60378), (1626, 50315), (1735, 47154), (2082, 39295), (2710, 30189), (3470, 23577), (4065, 20126), (5205, 15718), (7859, 10410), (8130, 10063)]