1288892360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{242273}}^1$

素因数の和:242310

約数の個数: 64

約数和(自身を含む): 3488745600

約数和(自身を除く): 2199853240

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, 242273, 484546, 969092, 1211365, 1695911, 1938184, 2422730, 3391822, 4603187, 4845460, 6783644, 8479555, 9206374, 9690920, 13567288, 16959110, 18412748, 23015935, 32222309, 33918220, 36825496, 46031870, 64444618, 67836440, 92063740, 128889236, 161111545, 184127480, 257778472, 322223090, 644446180, 1288892360]

約数ペア:

[(1, 1288892360), (2, 644446180), (4, 322223090), (5, 257778472), (7, 184127480), (8, 161111545), (10, 128889236), (14, 92063740), (19, 67836440), (20, 64444618), (28, 46031870), (35, 36825496), (38, 33918220), (40, 32222309), (56, 23015935), (70, 18412748), (76, 16959110), (95, 13567288), (133, 9690920), (140, 9206374), (152, 8479555), (190, 6783644), (266, 4845460), (280, 4603187), (380, 3391822), (532, 2422730), (665, 1938184), (760, 1695911), (1064, 1211365), (1330, 969092), (2660, 484546), (5320, 242273)]