178563120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1303}}^1$

素因数の和:1890

約数の個数: 80

約数和(自身を含む): 554940672

約数和(自身を除く): 376377552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 571, 1142, 1303, 1713, 2284, 2606, 2855, 3426, 3909, 4568, 5212, 5710, 6515, 6852, 7818, 8565, 9136, 10424, 11420, 13030, 13704, 15636, 17130, 19545, 20848, 22840, 26060, 27408, 31272, 34260, 39090, 45680, 52120, 62544, 68520, 78180, 104240, 137040, 156360, 312720, 744013, 1488026, 2232039, 2976052, 3720065, 4464078, 5952104, 7440130, 8928156, 11160195, 11904208, 14880260, 17856312, 22320390, 29760520, 35712624, 44640780, 59521040, 89281560, 178563120]

約数ペア:

[(1, 178563120), (2, 89281560), (3, 59521040), (4, 44640780), (5, 35712624), (6, 29760520), (8, 22320390), (10, 17856312), (12, 14880260), (15, 11904208), (16, 11160195), (20, 8928156), (24, 7440130), (30, 5952104), (40, 4464078), (48, 3720065), (60, 2976052), (80, 2232039), (120, 1488026), (240, 744013), (571, 312720), (1142, 156360), (1303, 137040), (1713, 104240), (2284, 78180), (2606, 68520), (2855, 62544), (3426, 52120), (3909, 45680), (4568, 39090), (5212, 34260), (5710, 31272), (6515, 27408), (6852, 26060), (7818, 22840), (8565, 20848), (9136, 19545), (10424, 17130), (11420, 15636), (13030, 13704)]