90153580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{13219}}^1$

素因数の和:13270

約数の個数: 48

約数和(自身を含む): 213212160

約数和(自身を除く): 123058580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 13219, 26438, 52876, 66095, 132190, 145409, 264380, 290818, 409789, 581636, 727045, 819578, 1454090, 1639156, 2048945, 2908180, 4097890, 4507679, 8195780, 9015358, 18030716, 22538395, 45076790, 90153580]

約数ペア:

[(1, 90153580), (2, 45076790), (4, 22538395), (5, 18030716), (10, 9015358), (11, 8195780), (20, 4507679), (22, 4097890), (31, 2908180), (44, 2048945), (55, 1639156), (62, 1454090), (110, 819578), (124, 727045), (155, 581636), (220, 409789), (310, 290818), (341, 264380), (620, 145409), (682, 132190), (1364, 66095), (1705, 52876), (3410, 26438), (6820, 13219)]