12719980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 34151040

約数和(自身を除く): 21431060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 182, 203, 241, 260, 290, 364, 377, 406, 455, 482, 580, 754, 812, 910, 964, 1015, 1205, 1508, 1687, 1820, 1885, 2030, 2410, 2639, 3133, 3374, 3770, 4060, 4820, 5278, 6266, 6748, 6989, 7540, 8435, 10556, 12532, 13195, 13978, 15665, 16870, 21931, 26390, 27956, 31330, 33740, 34945, 43862, 48923, 52780, 62660, 69890, 87724, 90857, 97846, 109655, 139780, 181714, 195692, 219310, 244615, 363428, 438620, 454285, 489230, 635999, 908570, 978460, 1271998, 1817140, 2543996, 3179995, 6359990, 12719980]

約数ペア:

[(1, 12719980), (2, 6359990), (4, 3179995), (5, 2543996), (7, 1817140), (10, 1271998), (13, 978460), (14, 908570), (20, 635999), (26, 489230), (28, 454285), (29, 438620), (35, 363428), (52, 244615), (58, 219310), (65, 195692), (70, 181714), (91, 139780), (116, 109655), (130, 97846), (140, 90857), (145, 87724), (182, 69890), (203, 62660), (241, 52780), (260, 48923), (290, 43862), (364, 34945), (377, 33740), (406, 31330), (455, 27956), (482, 26390), (580, 21931), (754, 16870), (812, 15665), (910, 13978), (964, 13195), (1015, 12532), (1205, 10556), (1508, 8435), (1687, 7540), (1820, 6989), (1885, 6748), (2030, 6266), (2410, 5278), (2639, 4820), (3133, 4060), (3374, 3770)]