31772180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 77310240

約数和(自身を除く): 45538060

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 691, 836, 1045, 1210, 1382, 2090, 2299, 2420, 2764, 3455, 4180, 4598, 6910, 7601, 9196, 11495, 13129, 13820, 15202, 22990, 26258, 30404, 38005, 45980, 52516, 65645, 76010, 83611, 131290, 144419, 152020, 167222, 262580, 288838, 334444, 418055, 577676, 722095, 836110, 1444190, 1588609, 1672220, 2888380, 3177218, 6354436, 7943045, 15886090, 31772180]

約数ペア:

[(1, 31772180), (2, 15886090), (4, 7943045), (5, 6354436), (10, 3177218), (11, 2888380), (19, 1672220), (20, 1588609), (22, 1444190), (38, 836110), (44, 722095), (55, 577676), (76, 418055), (95, 334444), (110, 288838), (121, 262580), (190, 167222), (209, 152020), (220, 144419), (242, 131290), (380, 83611), (418, 76010), (484, 65645), (605, 52516), (691, 45980), (836, 38005), (1045, 30404), (1210, 26258), (1382, 22990), (2090, 15202), (2299, 13820), (2420, 13129), (2764, 11495), (3455, 9196), (4180, 7601), (4598, 6910)]