49891920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15991}}^1$

素因数の和:16020

約数の個数: 80

約数和(自身を含む): 166572672

約数和(自身を除く): 116680752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 15991, 31982, 47973, 63964, 79955, 95946, 127928, 159910, 191892, 207883, 239865, 255856, 319820, 383784, 415766, 479730, 623649, 639640, 767568, 831532, 959460, 1039415, 1247298, 1279280, 1663064, 1918920, 2078830, 2494596, 3118245, 3326128, 3837840, 4157660, 4989192, 6236490, 8315320, 9978384, 12472980, 16630640, 24945960, 49891920]

約数ペア:

[(1, 49891920), (2, 24945960), (3, 16630640), (4, 12472980), (5, 9978384), (6, 8315320), (8, 6236490), (10, 4989192), (12, 4157660), (13, 3837840), (15, 3326128), (16, 3118245), (20, 2494596), (24, 2078830), (26, 1918920), (30, 1663064), (39, 1279280), (40, 1247298), (48, 1039415), (52, 959460), (60, 831532), (65, 767568), (78, 639640), (80, 623649), (104, 479730), (120, 415766), (130, 383784), (156, 319820), (195, 255856), (208, 239865), (240, 207883), (260, 191892), (312, 159910), (390, 127928), (520, 95946), (624, 79955), (780, 63964), (1040, 47973), (1560, 31982), (3120, 15991)]