90208980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10663}}^1$

素因数の和:10725

約数の個数: 72

約数和(自身を含む): 279482112

約数和(自身を除く): 189273132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 10663, 21326, 31989, 42652, 53315, 63978, 95967, 106630, 127956, 159945, 191934, 213260, 319890, 383868, 479835, 501161, 639780, 959670, 1002322, 1503483, 1919340, 2004644, 2505805, 3006966, 4510449, 5011610, 6013932, 7517415, 9020898, 10023220, 15034830, 18041796, 22552245, 30069660, 45104490, 90208980]

約数ペア:

[(1, 90208980), (2, 45104490), (3, 30069660), (4, 22552245), (5, 18041796), (6, 15034830), (9, 10023220), (10, 9020898), (12, 7517415), (15, 6013932), (18, 5011610), (20, 4510449), (30, 3006966), (36, 2505805), (45, 2004644), (47, 1919340), (60, 1503483), (90, 1002322), (94, 959670), (141, 639780), (180, 501161), (188, 479835), (235, 383868), (282, 319890), (423, 213260), (470, 191934), (564, 159945), (705, 127956), (846, 106630), (940, 95967), (1410, 63978), (1692, 53315), (2115, 42652), (2820, 31989), (4230, 21326), (8460, 10663)]