81278280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7283}}^1$

素因数の和:7331

約数の個数: 96

約数和(自身を含む): 272712960

約数和(自身を除く): 191434680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 7283, 11160, 14566, 21849, 29132, 36415, 43698, 58264, 65547, 72830, 87396, 109245, 131094, 145660, 174792, 218490, 225773, 262188, 291320, 327735, 436980, 451546, 524376, 655470, 677319, 873960, 903092, 1128865, 1310940, 1354638, 1806184, 2031957, 2257730, 2621880, 2709276, 3386595, 4063914, 4515460, 5418552, 6773190, 8127828, 9030920, 10159785, 13546380, 16255656, 20319570, 27092760, 40639140, 81278280]

約数ペア:

[(1, 81278280), (2, 40639140), (3, 27092760), (4, 20319570), (5, 16255656), (6, 13546380), (8, 10159785), (9, 9030920), (10, 8127828), (12, 6773190), (15, 5418552), (18, 4515460), (20, 4063914), (24, 3386595), (30, 2709276), (31, 2621880), (36, 2257730), (40, 2031957), (45, 1806184), (60, 1354638), (62, 1310940), (72, 1128865), (90, 903092), (93, 873960), (120, 677319), (124, 655470), (155, 524376), (180, 451546), (186, 436980), (248, 327735), (279, 291320), (310, 262188), (360, 225773), (372, 218490), (465, 174792), (558, 145660), (620, 131094), (744, 109245), (930, 87396), (1116, 72830), (1240, 65547), (1395, 58264), (1860, 43698), (2232, 36415), (2790, 29132), (3720, 21849), (5580, 14566), (7283, 11160)]