1915704080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{1973}}^1$

素因数の和:2268

約数の個数: 80

約数和(自身を含む): 4560176880

約数和(自身を除く): 2644472800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 229, 265, 424, 458, 530, 848, 916, 1060, 1145, 1832, 1973, 2120, 2290, 3664, 3946, 4240, 4580, 7892, 9160, 9865, 12137, 15784, 18320, 19730, 24274, 31568, 39460, 48548, 60685, 78920, 97096, 104569, 121370, 157840, 194192, 209138, 242740, 418276, 451817, 485480, 522845, 836552, 903634, 970960, 1045690, 1673104, 1807268, 2091380, 2259085, 3614536, 4182760, 4518170, 7229072, 8365520, 9036340, 18072680, 23946301, 36145360, 47892602, 95785204, 119731505, 191570408, 239463010, 383140816, 478926020, 957852040, 1915704080]

約数ペア:

[(1, 1915704080), (2, 957852040), (4, 478926020), (5, 383140816), (8, 239463010), (10, 191570408), (16, 119731505), (20, 95785204), (40, 47892602), (53, 36145360), (80, 23946301), (106, 18072680), (212, 9036340), (229, 8365520), (265, 7229072), (424, 4518170), (458, 4182760), (530, 3614536), (848, 2259085), (916, 2091380), (1060, 1807268), (1145, 1673104), (1832, 1045690), (1973, 970960), (2120, 903634), (2290, 836552), (3664, 522845), (3946, 485480), (4240, 451817), (4580, 418276), (7892, 242740), (9160, 209138), (9865, 194192), (12137, 157840), (15784, 121370), (18320, 104569), (19730, 97096), (24274, 78920), (31568, 60685), (39460, 48548)]