90870160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 224271360

約数和(自身を除く): 133401200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 191, 304, 313, 380, 382, 626, 760, 764, 955, 1252, 1520, 1528, 1565, 1910, 2504, 3056, 3130, 3629, 3820, 5008, 5947, 6260, 7258, 7640, 11894, 12520, 14516, 15280, 18145, 23788, 25040, 29032, 29735, 36290, 47576, 58064, 59470, 59783, 72580, 95152, 118940, 119566, 145160, 237880, 239132, 290320, 298915, 475760, 478264, 597830, 956528, 1135877, 1195660, 2271754, 2391320, 4543508, 4782640, 5679385, 9087016, 11358770, 18174032, 22717540, 45435080, 90870160]

約数ペア:

[(1, 90870160), (2, 45435080), (4, 22717540), (5, 18174032), (8, 11358770), (10, 9087016), (16, 5679385), (19, 4782640), (20, 4543508), (38, 2391320), (40, 2271754), (76, 1195660), (80, 1135877), (95, 956528), (152, 597830), (190, 478264), (191, 475760), (304, 298915), (313, 290320), (380, 239132), (382, 237880), (626, 145160), (760, 119566), (764, 118940), (955, 95152), (1252, 72580), (1520, 59783), (1528, 59470), (1565, 58064), (1910, 47576), (2504, 36290), (3056, 29735), (3130, 29032), (3629, 25040), (3820, 23788), (5008, 18145), (5947, 15280), (6260, 14516), (7258, 12520), (7640, 11894)]