128569680

素因数分解:

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

素因数の和:19866

約数の個数: 100

約数和(自身を含む): 446564052

約数和(自身を除く): 317994372

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 19841, 39682, 59523, 79364, 99205, 119046, 158728, 178569, 198410, 238092, 297615, 317456, 357138, 396820, 476184, 535707, 595230, 714276, 793640, 892845, 952368, 1071414, 1190460, 1428552, 1587280, 1607121, 1785690, 2142828, 2380920, 2678535, 2857104, 3214242, 3571380, 4285656, 4761840, 5357070, 6428484, 7142760, 8035605, 8571312, 10714140, 12856968, 14285520, 16071210, 21428280, 25713936, 32142420, 42856560, 64284840, 128569680]

約数ペア:

[(1, 128569680), (2, 64284840), (3, 42856560), (4, 32142420), (5, 25713936), (6, 21428280), (8, 16071210), (9, 14285520), (10, 12856968), (12, 10714140), (15, 8571312), (16, 8035605), (18, 7142760), (20, 6428484), (24, 5357070), (27, 4761840), (30, 4285656), (36, 3571380), (40, 3214242), (45, 2857104), (48, 2678535), (54, 2380920), (60, 2142828), (72, 1785690), (80, 1607121), (81, 1587280), (90, 1428552), (108, 1190460), (120, 1071414), (135, 952368), (144, 892845), (162, 793640), (180, 714276), (216, 595230), (240, 535707), (270, 476184), (324, 396820), (360, 357138), (405, 317456), (432, 297615), (540, 238092), (648, 198410), (720, 178569), (810, 158728), (1080, 119046), (1296, 99205), (1620, 79364), (2160, 59523), (3240, 39682), (6480, 19841)]