71874540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:690

約数の個数: 144

約数和(自身を含む): 236291328

約数和(自身を除く): 164416788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 243, 270, 276, 324, 345, 405, 414, 460, 486, 540, 621, 643, 690, 810, 828, 972, 1035, 1215, 1242, 1286, 1380, 1620, 1863, 1929, 2070, 2430, 2484, 2572, 3105, 3215, 3726, 3858, 4140, 4860, 5589, 5787, 6210, 6430, 7452, 7716, 9315, 9645, 11178, 11574, 12420, 12860, 14789, 17361, 18630, 19290, 22356, 23148, 27945, 28935, 29578, 34722, 37260, 38580, 44367, 52083, 55890, 57870, 59156, 69444, 73945, 86805, 88734, 104166, 111780, 115740, 133101, 147890, 156249, 173610, 177468, 208332, 221835, 260415, 266202, 295780, 312498, 347220, 399303, 443670, 520830, 532404, 624996, 665505, 781245, 798606, 887340, 1041660, 1197909, 1331010, 1562490, 1597212, 1996515, 2395818, 2662020, 3124980, 3593727, 3993030, 4791636, 5989545, 7187454, 7986060, 11979090, 14374908, 17968635, 23958180, 35937270, 71874540]

約数ペア:

[(1, 71874540), (2, 35937270), (3, 23958180), (4, 17968635), (5, 14374908), (6, 11979090), (9, 7986060), (10, 7187454), (12, 5989545), (15, 4791636), (18, 3993030), (20, 3593727), (23, 3124980), (27, 2662020), (30, 2395818), (36, 1996515), (45, 1597212), (46, 1562490), (54, 1331010), (60, 1197909), (69, 1041660), (81, 887340), (90, 798606), (92, 781245), (108, 665505), (115, 624996), (135, 532404), (138, 520830), (162, 443670), (180, 399303), (207, 347220), (230, 312498), (243, 295780), (270, 266202), (276, 260415), (324, 221835), (345, 208332), (405, 177468), (414, 173610), (460, 156249), (486, 147890), (540, 133101), (621, 115740), (643, 111780), (690, 104166), (810, 88734), (828, 86805), (972, 73945), (1035, 69444), (1215, 59156), (1242, 57870), (1286, 55890), (1380, 52083), (1620, 44367), (1863, 38580), (1929, 37260), (2070, 34722), (2430, 29578), (2484, 28935), (2572, 27945), (3105, 23148), (3215, 22356), (3726, 19290), (3858, 18630), (4140, 17361), (4860, 14789), (5589, 12860), (5787, 12420), (6210, 11574), (6430, 11178), (7452, 9645), (7716, 9315)]