80954440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15217}}^1$

素因数の和:15254

約数の個数: 64

約数和(自身を含む): 219139200

約数和(自身を除く): 138184760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 15217, 30434, 60868, 76085, 106519, 121736, 152170, 213038, 289123, 304340, 426076, 532595, 578246, 608680, 852152, 1065190, 1156492, 1445615, 2023861, 2130380, 2312984, 2891230, 4047722, 4260760, 5782460, 8095444, 10119305, 11564920, 16190888, 20238610, 40477220, 80954440]

約数ペア:

[(1, 80954440), (2, 40477220), (4, 20238610), (5, 16190888), (7, 11564920), (8, 10119305), (10, 8095444), (14, 5782460), (19, 4260760), (20, 4047722), (28, 2891230), (35, 2312984), (38, 2130380), (40, 2023861), (56, 1445615), (70, 1156492), (76, 1065190), (95, 852152), (133, 608680), (140, 578246), (152, 532595), (190, 426076), (266, 304340), (280, 289123), (380, 213038), (532, 152170), (665, 121736), (760, 106519), (1064, 76085), (1330, 60868), (2660, 30434), (5320, 15217)]