80246640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1399}}^1$

素因数の和:1654

約数の個数: 80

約数和(自身を含む): 249984000

約数和(自身を除く): 169737360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 239, 240, 478, 717, 956, 1195, 1399, 1434, 1912, 2390, 2798, 2868, 3585, 3824, 4197, 4780, 5596, 5736, 6995, 7170, 8394, 9560, 11192, 11472, 13990, 14340, 16788, 19120, 20985, 22384, 27980, 28680, 33576, 41970, 55960, 57360, 67152, 83940, 111920, 167880, 334361, 335760, 668722, 1003083, 1337444, 1671805, 2006166, 2674888, 3343610, 4012332, 5015415, 5349776, 6687220, 8024664, 10030830, 13374440, 16049328, 20061660, 26748880, 40123320, 80246640]

約数ペア:

[(1, 80246640), (2, 40123320), (3, 26748880), (4, 20061660), (5, 16049328), (6, 13374440), (8, 10030830), (10, 8024664), (12, 6687220), (15, 5349776), (16, 5015415), (20, 4012332), (24, 3343610), (30, 2674888), (40, 2006166), (48, 1671805), (60, 1337444), (80, 1003083), (120, 668722), (239, 335760), (240, 334361), (478, 167880), (717, 111920), (956, 83940), (1195, 67152), (1399, 57360), (1434, 55960), (1912, 41970), (2390, 33576), (2798, 28680), (2868, 27980), (3585, 22384), (3824, 20985), (4197, 19120), (4780, 16788), (5596, 14340), (5736, 13990), (6995, 11472), (7170, 11192), (8394, 9560)]