61180920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:867

約数の個数: 160

約数和(自身を含む): 214837920

約数和(自身を除く): 153657000

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, 270, 276, 324, 345, 360, 405, 414, 460, 540, 552, 621, 648, 690, 810, 821, 828, 920, 1035, 1080, 1242, 1380, 1620, 1642, 1656, 1863, 2070, 2463, 2484, 2760, 3105, 3240, 3284, 3726, 4105, 4140, 4926, 4968, 6210, 6568, 7389, 7452, 8210, 8280, 9315, 9852, 12315, 12420, 14778, 14904, 16420, 18630, 18883, 19704, 22167, 24630, 24840, 29556, 32840, 36945, 37260, 37766, 44334, 49260, 56649, 59112, 66501, 73890, 74520, 75532, 88668, 94415, 98520, 110835, 113298, 133002, 147780, 151064, 169947, 177336, 188830, 221670, 226596, 266004, 283245, 295560, 332505, 339894, 377660, 443340, 453192, 509841, 532008, 566490, 665010, 679788, 755320, 849735, 886680, 1019682, 1132980, 1330020, 1359576, 1529523, 1699470, 2039364, 2265960, 2549205, 2660040, 3059046, 3398940, 4078728, 5098410, 6118092, 6797880, 7647615, 10196820, 12236184, 15295230, 20393640, 30590460, 61180920]

約数ペア:

[(1, 61180920), (2, 30590460), (3, 20393640), (4, 15295230), (5, 12236184), (6, 10196820), (8, 7647615), (9, 6797880), (10, 6118092), (12, 5098410), (15, 4078728), (18, 3398940), (20, 3059046), (23, 2660040), (24, 2549205), (27, 2265960), (30, 2039364), (36, 1699470), (40, 1529523), (45, 1359576), (46, 1330020), (54, 1132980), (60, 1019682), (69, 886680), (72, 849735), (81, 755320), (90, 679788), (92, 665010), (108, 566490), (115, 532008), (120, 509841), (135, 453192), (138, 443340), (162, 377660), (180, 339894), (184, 332505), (207, 295560), (216, 283245), (230, 266004), (270, 226596), (276, 221670), (324, 188830), (345, 177336), (360, 169947), (405, 151064), (414, 147780), (460, 133002), (540, 113298), (552, 110835), (621, 98520), (648, 94415), (690, 88668), (810, 75532), (821, 74520), (828, 73890), (920, 66501), (1035, 59112), (1080, 56649), (1242, 49260), (1380, 44334), (1620, 37766), (1642, 37260), (1656, 36945), (1863, 32840), (2070, 29556), (2463, 24840), (2484, 24630), (2760, 22167), (3105, 19704), (3240, 18883), (3284, 18630), (3726, 16420), (4105, 14904), (4140, 14778), (4926, 12420), (4968, 12315), (6210, 9852), (6568, 9315), (7389, 8280), (7452, 8210)]