279930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 64

約数和(自身を含む): 811008

約数和(自身を除く): 531078

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 43, 62, 70, 86, 93, 105, 129, 155, 186, 210, 215, 217, 258, 301, 310, 430, 434, 465, 602, 645, 651, 903, 930, 1085, 1290, 1302, 1333, 1505, 1806, 2170, 2666, 3010, 3255, 3999, 4515, 6510, 6665, 7998, 9030, 9331, 13330, 18662, 19995, 27993, 39990, 46655, 55986, 93310, 139965, 279930]

約数ペア:

[(1, 279930), (2, 139965), (3, 93310), (5, 55986), (6, 46655), (7, 39990), (10, 27993), (14, 19995), (15, 18662), (21, 13330), (30, 9331), (31, 9030), (35, 7998), (42, 6665), (43, 6510), (62, 4515), (70, 3999), (86, 3255), (93, 3010), (105, 2666), (129, 2170), (155, 1806), (186, 1505), (210, 1333), (215, 1302), (217, 1290), (258, 1085), (301, 930), (310, 903), (430, 651), (434, 645), (465, 602)]