81877410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22189}}^1$

素因数の和:22243

約数の個数: 48

約数和(自身を含む): 218083320

約数和(自身を除く): 136205910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 22189, 44378, 66567, 110945, 133134, 199701, 221890, 332835, 399402, 665670, 909749, 998505, 1819498, 1997010, 2729247, 4548745, 5458494, 8187741, 9097490, 13646235, 16375482, 27292470, 40938705, 81877410]

約数ペア:

[(1, 81877410), (2, 40938705), (3, 27292470), (5, 16375482), (6, 13646235), (9, 9097490), (10, 8187741), (15, 5458494), (18, 4548745), (30, 2729247), (41, 1997010), (45, 1819498), (82, 998505), (90, 909749), (123, 665670), (205, 399402), (246, 332835), (369, 221890), (410, 199701), (615, 133134), (738, 110945), (1230, 66567), (1845, 44378), (3690, 22189)]