91771380

素因数分解:

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

素因数の和:868

約数の個数: 144

約数和(自身を含む): 301601664

約数和(自身を除く): 209830284

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, 690, 810, 821, 828, 972, 1035, 1215, 1242, 1380, 1620, 1642, 1863, 2070, 2430, 2463, 2484, 3105, 3284, 3726, 4105, 4140, 4860, 4926, 5589, 6210, 7389, 7452, 8210, 9315, 9852, 11178, 12315, 12420, 14778, 16420, 18630, 18883, 22167, 22356, 24630, 27945, 29556, 36945, 37260, 37766, 44334, 49260, 55890, 56649, 66501, 73890, 75532, 88668, 94415, 110835, 111780, 113298, 133002, 147780, 169947, 188830, 199503, 221670, 226596, 266004, 283245, 332505, 339894, 377660, 399006, 443340, 509841, 566490, 665010, 679788, 798012, 849735, 997515, 1019682, 1132980, 1330020, 1529523, 1699470, 1995030, 2039364, 2549205, 3059046, 3398940, 3990060, 4588569, 5098410, 6118092, 7647615, 9177138, 10196820, 15295230, 18354276, 22942845, 30590460, 45885690, 91771380]

約数ペア:

[(1, 91771380), (2, 45885690), (3, 30590460), (4, 22942845), (5, 18354276), (6, 15295230), (9, 10196820), (10, 9177138), (12, 7647615), (15, 6118092), (18, 5098410), (20, 4588569), (23, 3990060), (27, 3398940), (30, 3059046), (36, 2549205), (45, 2039364), (46, 1995030), (54, 1699470), (60, 1529523), (69, 1330020), (81, 1132980), (90, 1019682), (92, 997515), (108, 849735), (115, 798012), (135, 679788), (138, 665010), (162, 566490), (180, 509841), (207, 443340), (230, 399006), (243, 377660), (270, 339894), (276, 332505), (324, 283245), (345, 266004), (405, 226596), (414, 221670), (460, 199503), (486, 188830), (540, 169947), (621, 147780), (690, 133002), (810, 113298), (821, 111780), (828, 110835), (972, 94415), (1035, 88668), (1215, 75532), (1242, 73890), (1380, 66501), (1620, 56649), (1642, 55890), (1863, 49260), (2070, 44334), (2430, 37766), (2463, 37260), (2484, 36945), (3105, 29556), (3284, 27945), (3726, 24630), (4105, 22356), (4140, 22167), (4860, 18883), (4926, 18630), (5589, 16420), (6210, 14778), (7389, 12420), (7452, 12315), (8210, 11178), (9315, 9852)]