15229640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 37368000

約数和(自身を除く): 22138360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 691, 760, 1102, 1160, 1382, 2204, 2755, 2764, 3455, 4408, 5510, 5528, 6910, 11020, 13129, 13820, 20039, 22040, 26258, 27640, 40078, 52516, 65645, 80156, 100195, 105032, 131290, 160312, 200390, 262580, 380741, 400780, 525160, 761482, 801560, 1522964, 1903705, 3045928, 3807410, 7614820, 15229640]

約数ペア:

[(1, 15229640), (2, 7614820), (4, 3807410), (5, 3045928), (8, 1903705), (10, 1522964), (19, 801560), (20, 761482), (29, 525160), (38, 400780), (40, 380741), (58, 262580), (76, 200390), (95, 160312), (116, 131290), (145, 105032), (152, 100195), (190, 80156), (232, 65645), (290, 52516), (380, 40078), (551, 27640), (580, 26258), (691, 22040), (760, 20039), (1102, 13820), (1160, 13129), (1382, 11020), (2204, 6910), (2755, 5528), (2764, 5510), (3455, 4408)]