64284840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19841}}^1$

素因数の和:19864

約数の個数: 80

約数和(自身を含む): 216079380

約数和(自身を除く): 151794540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 19841, 39682, 59523, 79364, 99205, 119046, 158728, 178569, 198410, 238092, 297615, 357138, 396820, 476184, 535707, 595230, 714276, 793640, 892845, 1071414, 1190460, 1428552, 1607121, 1785690, 2142828, 2380920, 2678535, 3214242, 3571380, 4285656, 5357070, 6428484, 7142760, 8035605, 10714140, 12856968, 16071210, 21428280, 32142420, 64284840]

約数ペア:

[(1, 64284840), (2, 32142420), (3, 21428280), (4, 16071210), (5, 12856968), (6, 10714140), (8, 8035605), (9, 7142760), (10, 6428484), (12, 5357070), (15, 4285656), (18, 3571380), (20, 3214242), (24, 2678535), (27, 2380920), (30, 2142828), (36, 1785690), (40, 1607121), (45, 1428552), (54, 1190460), (60, 1071414), (72, 892845), (81, 793640), (90, 714276), (108, 595230), (120, 535707), (135, 476184), (162, 396820), (180, 357138), (216, 297615), (270, 238092), (324, 198410), (360, 178569), (405, 158728), (540, 119046), (648, 99205), (810, 79364), (1080, 59523), (1620, 39682), (3240, 19841)]