68640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:42

約数の個数: 96

約数和(自身を含む): 254016

約数和(自身を除く): 185376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 352, 390, 416, 429, 440, 480, 520, 528, 572, 624, 660, 715, 780, 858, 880, 1040, 1056, 1144, 1248, 1320, 1430, 1560, 1716, 1760, 2080, 2145, 2288, 2640, 2860, 3120, 3432, 4290, 4576, 5280, 5720, 6240, 6864, 8580, 11440, 13728, 17160, 22880, 34320, 68640]

約数ペア:

[(1, 68640), (2, 34320), (3, 22880), (4, 17160), (5, 13728), (6, 11440), (8, 8580), (10, 6864), (11, 6240), (12, 5720), (13, 5280), (15, 4576), (16, 4290), (20, 3432), (22, 3120), (24, 2860), (26, 2640), (30, 2288), (32, 2145), (33, 2080), (39, 1760), (40, 1716), (44, 1560), (48, 1430), (52, 1320), (55, 1248), (60, 1144), (65, 1056), (66, 1040), (78, 880), (80, 858), (88, 780), (96, 715), (104, 660), (110, 624), (120, 572), (130, 528), (132, 520), (143, 480), (156, 440), (160, 429), (165, 416), (176, 390), (195, 352), (208, 330), (220, 312), (240, 286), (260, 264)]