2817971920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{2699}}^1$

素因数の和:3164

約数の個数: 80

約数和(自身を含む): 6781708800

約数和(自身を除く): 3963736880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 421, 496, 620, 842, 1240, 1684, 2105, 2480, 2699, 3368, 4210, 5398, 6736, 8420, 10796, 13051, 13495, 16840, 21592, 26102, 26990, 33680, 43184, 52204, 53980, 65255, 83669, 104408, 107960, 130510, 167338, 208816, 215920, 261020, 334676, 418345, 522040, 669352, 836690, 1044080, 1136279, 1338704, 1673380, 2272558, 3346760, 4545116, 5681395, 6693520, 9090232, 11362790, 18180464, 22725580, 35224649, 45451160, 70449298, 90902320, 140898596, 176123245, 281797192, 352246490, 563594384, 704492980, 1408985960, 2817971920]

約数ペア:

[(1, 2817971920), (2, 1408985960), (4, 704492980), (5, 563594384), (8, 352246490), (10, 281797192), (16, 176123245), (20, 140898596), (31, 90902320), (40, 70449298), (62, 45451160), (80, 35224649), (124, 22725580), (155, 18180464), (248, 11362790), (310, 9090232), (421, 6693520), (496, 5681395), (620, 4545116), (842, 3346760), (1240, 2272558), (1684, 1673380), (2105, 1338704), (2480, 1136279), (2699, 1044080), (3368, 836690), (4210, 669352), (5398, 522040), (6736, 418345), (8420, 334676), (10796, 261020), (13051, 215920), (13495, 208816), (16840, 167338), (21592, 130510), (26102, 107960), (26990, 104408), (33680, 83669), (43184, 65255), (52204, 53980)]