513407120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{859}}^1$

素因数の和:1144

約数の個数: 80

約数和(自身を含む): 1238730240

約数和(自身を除く): 725323120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 241, 248, 310, 482, 496, 620, 859, 964, 1205, 1240, 1718, 1928, 2410, 2480, 3436, 3856, 4295, 4820, 6872, 7471, 8590, 9640, 13744, 14942, 17180, 19280, 26629, 29884, 34360, 37355, 53258, 59768, 68720, 74710, 106516, 119536, 133145, 149420, 207019, 213032, 266290, 298840, 414038, 426064, 532580, 597680, 828076, 1035095, 1065160, 1656152, 2070190, 2130320, 3312304, 4140380, 6417589, 8280760, 12835178, 16561520, 25670356, 32087945, 51340712, 64175890, 102681424, 128351780, 256703560, 513407120]

約数ペア:

[(1, 513407120), (2, 256703560), (4, 128351780), (5, 102681424), (8, 64175890), (10, 51340712), (16, 32087945), (20, 25670356), (31, 16561520), (40, 12835178), (62, 8280760), (80, 6417589), (124, 4140380), (155, 3312304), (241, 2130320), (248, 2070190), (310, 1656152), (482, 1065160), (496, 1035095), (620, 828076), (859, 597680), (964, 532580), (1205, 426064), (1240, 414038), (1718, 298840), (1928, 266290), (2410, 213032), (2480, 207019), (3436, 149420), (3856, 133145), (4295, 119536), (4820, 106516), (6872, 74710), (7471, 68720), (8590, 59768), (9640, 53258), (13744, 37355), (14942, 34360), (17180, 29884), (19280, 26629)]