15723720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 55408320

約数和(自身を除く): 39684600

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, 211, 216, 230, 270, 276, 324, 345, 360, 405, 414, 422, 460, 540, 552, 621, 633, 648, 690, 810, 828, 844, 920, 1035, 1055, 1080, 1242, 1266, 1380, 1620, 1656, 1688, 1863, 1899, 2070, 2110, 2484, 2532, 2760, 3105, 3165, 3240, 3726, 3798, 4140, 4220, 4853, 4968, 5064, 5697, 6210, 6330, 7452, 7596, 8280, 8440, 9315, 9495, 9706, 11394, 12420, 12660, 14559, 14904, 15192, 17091, 18630, 18990, 19412, 22788, 24265, 24840, 25320, 28485, 29118, 34182, 37260, 37980, 38824, 43677, 45576, 48530, 56970, 58236, 68364, 72795, 74520, 75960, 85455, 87354, 97060, 113940, 116472, 131031, 136728, 145590, 170910, 174708, 194120, 218385, 227880, 262062, 291180, 341820, 349416, 393093, 436770, 524124, 582360, 655155, 683640, 786186, 873540, 1048248, 1310310, 1572372, 1747080, 1965465, 2620620, 3144744, 3930930, 5241240, 7861860, 15723720]

約数ペア:

[(1, 15723720), (2, 7861860), (3, 5241240), (4, 3930930), (5, 3144744), (6, 2620620), (8, 1965465), (9, 1747080), (10, 1572372), (12, 1310310), (15, 1048248), (18, 873540), (20, 786186), (23, 683640), (24, 655155), (27, 582360), (30, 524124), (36, 436770), (40, 393093), (45, 349416), (46, 341820), (54, 291180), (60, 262062), (69, 227880), (72, 218385), (81, 194120), (90, 174708), (92, 170910), (108, 145590), (115, 136728), (120, 131031), (135, 116472), (138, 113940), (162, 97060), (180, 87354), (184, 85455), (207, 75960), (211, 74520), (216, 72795), (230, 68364), (270, 58236), (276, 56970), (324, 48530), (345, 45576), (360, 43677), (405, 38824), (414, 37980), (422, 37260), (460, 34182), (540, 29118), (552, 28485), (621, 25320), (633, 24840), (648, 24265), (690, 22788), (810, 19412), (828, 18990), (844, 18630), (920, 17091), (1035, 15192), (1055, 14904), (1080, 14559), (1242, 12660), (1266, 12420), (1380, 11394), (1620, 9706), (1656, 9495), (1688, 9315), (1863, 8440), (1899, 8280), (2070, 7596), (2110, 7452), (2484, 6330), (2532, 6210), (2760, 5697), (3105, 5064), (3165, 4968), (3240, 4853), (3726, 4220), (3798, 4140)]