1557262680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{1093}}^1$

素因数の和:1521

約数の個数: 128

約数和(自身を含む): 4839505920

約数和(自身を除く): 3282243240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 383, 465, 620, 744, 766, 930, 1093, 1149, 1240, 1532, 1860, 1915, 2186, 2298, 3064, 3279, 3720, 3830, 4372, 4596, 5465, 5745, 6558, 7660, 8744, 9192, 10930, 11490, 11873, 13116, 15320, 16395, 21860, 22980, 23746, 26232, 32790, 33883, 35619, 43720, 45960, 47492, 59365, 65580, 67766, 71238, 94984, 101649, 118730, 131160, 135532, 142476, 169415, 178095, 203298, 237460, 271064, 284952, 338830, 356190, 406596, 418619, 474920, 508245, 677660, 712380, 813192, 837238, 1016490, 1255857, 1355320, 1424760, 1674476, 2032980, 2093095, 2511714, 3348952, 4065960, 4186190, 5023428, 6279285, 8372380, 10046856, 12558570, 12977189, 16744760, 25117140, 25954378, 38931567, 50234280, 51908756, 64885945, 77863134, 103817512, 129771890, 155726268, 194657835, 259543780, 311452536, 389315670, 519087560, 778631340, 1557262680]

約数ペア:

[(1, 1557262680), (2, 778631340), (3, 519087560), (4, 389315670), (5, 311452536), (6, 259543780), (8, 194657835), (10, 155726268), (12, 129771890), (15, 103817512), (20, 77863134), (24, 64885945), (30, 51908756), (31, 50234280), (40, 38931567), (60, 25954378), (62, 25117140), (93, 16744760), (120, 12977189), (124, 12558570), (155, 10046856), (186, 8372380), (248, 6279285), (310, 5023428), (372, 4186190), (383, 4065960), (465, 3348952), (620, 2511714), (744, 2093095), (766, 2032980), (930, 1674476), (1093, 1424760), (1149, 1355320), (1240, 1255857), (1532, 1016490), (1860, 837238), (1915, 813192), (2186, 712380), (2298, 677660), (3064, 508245), (3279, 474920), (3720, 418619), (3830, 406596), (4372, 356190), (4596, 338830), (5465, 284952), (5745, 271064), (6558, 237460), (7660, 203298), (8744, 178095), (9192, 169415), (10930, 142476), (11490, 135532), (11873, 131160), (13116, 118730), (15320, 101649), (16395, 94984), (21860, 71238), (22980, 67766), (23746, 65580), (26232, 59365), (32790, 47492), (33883, 45960), (35619, 43720)]