247660240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2699}}^1$

素因数の和:2780

約数の個数: 80

約数和(自身を含む): 610675200

約数和(自身を除く): 363014960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 2294, 2480, 2699, 2960, 4588, 5398, 5735, 9176, 10796, 11470, 13495, 18352, 21592, 22940, 26990, 43184, 45880, 53980, 83669, 91760, 99863, 107960, 167338, 199726, 215920, 334676, 399452, 418345, 499315, 669352, 798904, 836690, 998630, 1338704, 1597808, 1673380, 1997260, 3095753, 3346760, 3994520, 6191506, 6693520, 7989040, 12383012, 15478765, 24766024, 30957530, 49532048, 61915060, 123830120, 247660240]

約数ペア:

[(1, 247660240), (2, 123830120), (4, 61915060), (5, 49532048), (8, 30957530), (10, 24766024), (16, 15478765), (20, 12383012), (31, 7989040), (37, 6693520), (40, 6191506), (62, 3994520), (74, 3346760), (80, 3095753), (124, 1997260), (148, 1673380), (155, 1597808), (185, 1338704), (248, 998630), (296, 836690), (310, 798904), (370, 669352), (496, 499315), (592, 418345), (620, 399452), (740, 334676), (1147, 215920), (1240, 199726), (1480, 167338), (2294, 107960), (2480, 99863), (2699, 91760), (2960, 83669), (4588, 53980), (5398, 45880), (5735, 43184), (9176, 26990), (10796, 22940), (11470, 21592), (13495, 18352)]