51061140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21821}}^1$

素因数の和:21849

約数の個数: 72

約数和(自身を含む): 166807368

約数和(自身を除く): 115746228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 21821, 43642, 65463, 87284, 109105, 130926, 196389, 218210, 261852, 283673, 327315, 392778, 436420, 567346, 654630, 785556, 851019, 981945, 1134692, 1309260, 1418365, 1702038, 1963890, 2553057, 2836730, 3404076, 3927780, 4255095, 5106114, 5673460, 8510190, 10212228, 12765285, 17020380, 25530570, 51061140]

約数ペア:

[(1, 51061140), (2, 25530570), (3, 17020380), (4, 12765285), (5, 10212228), (6, 8510190), (9, 5673460), (10, 5106114), (12, 4255095), (13, 3927780), (15, 3404076), (18, 2836730), (20, 2553057), (26, 1963890), (30, 1702038), (36, 1418365), (39, 1309260), (45, 1134692), (52, 981945), (60, 851019), (65, 785556), (78, 654630), (90, 567346), (117, 436420), (130, 392778), (156, 327315), (180, 283673), (195, 261852), (234, 218210), (260, 196389), (390, 130926), (468, 109105), (585, 87284), (780, 65463), (1170, 43642), (2340, 21821)]