1508980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^3$

素因数の和:77

約数の個数: 48

約数和(自身を含む): 3648960

約数和(自身を除く): 2139980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1045, 1444, 1805, 2090, 3610, 3971, 4180, 6859, 7220, 7942, 13718, 15884, 19855, 27436, 34295, 39710, 68590, 75449, 79420, 137180, 150898, 301796, 377245, 754490, 1508980]

約数ペア:

[(1, 1508980), (2, 754490), (4, 377245), (5, 301796), (10, 150898), (11, 137180), (19, 79420), (20, 75449), (22, 68590), (38, 39710), (44, 34295), (55, 27436), (76, 19855), (95, 15884), (110, 13718), (190, 7942), (209, 7220), (220, 6859), (361, 4180), (380, 3971), (418, 3610), (722, 2090), (836, 1805), (1045, 1444)]