87821820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2357}}^1$

素因数の和:2401

約数の個数: 120

約数和(自身を含む): 287600544

約数和(自身を除く): 199778724

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, 270, 276, 324, 345, 405, 414, 460, 540, 621, 690, 810, 828, 1035, 1242, 1380, 1620, 1863, 2070, 2357, 2484, 3105, 3726, 4140, 4714, 6210, 7071, 7452, 9315, 9428, 11785, 12420, 14142, 18630, 21213, 23570, 28284, 35355, 37260, 42426, 47140, 54211, 63639, 70710, 84852, 106065, 108422, 127278, 141420, 162633, 190917, 212130, 216844, 254556, 271055, 318195, 325266, 381834, 424260, 487899, 542110, 636390, 650532, 763668, 813165, 954585, 975798, 1084220, 1272780, 1463697, 1626330, 1909170, 1951596, 2439495, 2927394, 3252660, 3818340, 4391091, 4878990, 5854788, 7318485, 8782182, 9757980, 14636970, 17564364, 21955455, 29273940, 43910910, 87821820]

約数ペア:

[(1, 87821820), (2, 43910910), (3, 29273940), (4, 21955455), (5, 17564364), (6, 14636970), (9, 9757980), (10, 8782182), (12, 7318485), (15, 5854788), (18, 4878990), (20, 4391091), (23, 3818340), (27, 3252660), (30, 2927394), (36, 2439495), (45, 1951596), (46, 1909170), (54, 1626330), (60, 1463697), (69, 1272780), (81, 1084220), (90, 975798), (92, 954585), (108, 813165), (115, 763668), (135, 650532), (138, 636390), (162, 542110), (180, 487899), (207, 424260), (230, 381834), (270, 325266), (276, 318195), (324, 271055), (345, 254556), (405, 216844), (414, 212130), (460, 190917), (540, 162633), (621, 141420), (690, 127278), (810, 108422), (828, 106065), (1035, 84852), (1242, 70710), (1380, 63639), (1620, 54211), (1863, 47140), (2070, 42426), (2357, 37260), (2484, 35355), (3105, 28284), (3726, 23570), (4140, 21213), (4714, 18630), (6210, 14142), (7071, 12420), (7452, 11785), (9315, 9428)]