15780458740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4861}}^1\times {\mathrm{8543}}^1$

素因数の和:13432

約数の個数: 48

約数和(自身を含む): 34894379520

約数和(自身を除く): 19113920780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4861, 8543, 9722, 17086, 19444, 24305, 34172, 42715, 48610, 85430, 92359, 97220, 162317, 170860, 184718, 324634, 369436, 461795, 649268, 811585, 923590, 1623170, 1847180, 3246340, 41527523, 83055046, 166110092, 207637615, 415275230, 789022937, 830550460, 1578045874, 3156091748, 3945114685, 7890229370, 15780458740]

約数ペア:

[(1, 15780458740), (2, 7890229370), (4, 3945114685), (5, 3156091748), (10, 1578045874), (19, 830550460), (20, 789022937), (38, 415275230), (76, 207637615), (95, 166110092), (190, 83055046), (380, 41527523), (4861, 3246340), (8543, 1847180), (9722, 1623170), (17086, 923590), (19444, 811585), (24305, 649268), (34172, 461795), (42715, 369436), (48610, 324634), (85430, 184718), (92359, 170860), (97220, 162317)]