257317560

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1151}}^1$

素因数の和:1200

約数の個数: 192

約数和(自身を含む): 905748480

約数和(自身を除く): 648430920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 243, 270, 276, 324, 345, 360, 405, 414, 460, 486, 540, 552, 621, 648, 690, 810, 828, 920, 972, 1035, 1080, 1151, 1215, 1242, 1380, 1620, 1656, 1863, 1944, 2070, 2302, 2430, 2484, 2760, 3105, 3240, 3453, 3726, 4140, 4604, 4860, 4968, 5589, 5755, 6210, 6906, 7452, 8280, 9208, 9315, 9720, 10359, 11178, 11510, 12420, 13812, 14904, 17265, 18630, 20718, 22356, 23020, 24840, 26473, 27624, 27945, 31077, 34530, 37260, 41436, 44712, 46040, 51795, 52946, 55890, 62154, 69060, 74520, 79419, 82872, 93231, 103590, 105892, 111780, 124308, 132365, 138120, 155385, 158838, 186462, 207180, 211784, 223560, 238257, 248616, 264730, 279693, 310770, 317676, 372924, 397095, 414360, 466155, 476514, 529460, 559386, 621540, 635352, 714771, 745848, 794190, 932310, 953028, 1058920, 1118772, 1191285, 1243080, 1398465, 1429542, 1588380, 1864620, 1906056, 2144313, 2237544, 2382570, 2796930, 2859084, 3176760, 3573855, 3729240, 4288626, 4765140, 5593860, 5718168, 6432939, 7147710, 8577252, 9530280, 10721565, 11187720, 12865878, 14295420, 17154504, 21443130, 25731756, 28590840, 32164695, 42886260, 51463512, 64329390, 85772520, 128658780, 257317560]

約数ペア:

[(1, 257317560), (2, 128658780), (3, 85772520), (4, 64329390), (5, 51463512), (6, 42886260), (8, 32164695), (9, 28590840), (10, 25731756), (12, 21443130), (15, 17154504), (18, 14295420), (20, 12865878), (23, 11187720), (24, 10721565), (27, 9530280), (30, 8577252), (36, 7147710), (40, 6432939), (45, 5718168), (46, 5593860), (54, 4765140), (60, 4288626), (69, 3729240), (72, 3573855), (81, 3176760), (90, 2859084), (92, 2796930), (108, 2382570), (115, 2237544), (120, 2144313), (135, 1906056), (138, 1864620), (162, 1588380), (180, 1429542), (184, 1398465), (207, 1243080), (216, 1191285), (230, 1118772), (243, 1058920), (270, 953028), (276, 932310), (324, 794190), (345, 745848), (360, 714771), (405, 635352), (414, 621540), (460, 559386), (486, 529460), (540, 476514), (552, 466155), (621, 414360), (648, 397095), (690, 372924), (810, 317676), (828, 310770), (920, 279693), (972, 264730), (1035, 248616), (1080, 238257), (1151, 223560), (1215, 211784), (1242, 207180), (1380, 186462), (1620, 158838), (1656, 155385), (1863, 138120), (1944, 132365), (2070, 124308), (2302, 111780), (2430, 105892), (2484, 103590), (2760, 93231), (3105, 82872), (3240, 79419), (3453, 74520), (3726, 69060), (4140, 62154), (4604, 55890), (4860, 52946), (4968, 51795), (5589, 46040), (5755, 44712), (6210, 41436), (6906, 37260), (7452, 34530), (8280, 31077), (9208, 27945), (9315, 27624), (9720, 26473), (10359, 24840), (11178, 23020), (11510, 22356), (12420, 20718), (13812, 18630), (14904, 17265)]