215286630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17807}}^1$

素因数の和:17861

約数の個数: 64

約数和(自身を含む): 574414848

約数和(自身を除く): 359128218

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 17807, 35614, 53421, 89035, 106842, 178070, 231491, 267105, 462982, 534210, 552017, 694473, 1104034, 1157455, 1388946, 1656051, 2314910, 2760085, 3312102, 3472365, 5520170, 6944730, 7176221, 8280255, 14352442, 16560510, 21528663, 35881105, 43057326, 71762210, 107643315, 215286630]

約数ペア:

[(1, 215286630), (2, 107643315), (3, 71762210), (5, 43057326), (6, 35881105), (10, 21528663), (13, 16560510), (15, 14352442), (26, 8280255), (30, 7176221), (31, 6944730), (39, 5520170), (62, 3472365), (65, 3312102), (78, 2760085), (93, 2314910), (130, 1656051), (155, 1388946), (186, 1157455), (195, 1104034), (310, 694473), (390, 552017), (403, 534210), (465, 462982), (806, 267105), (930, 231491), (1209, 178070), (2015, 106842), (2418, 89035), (4030, 53421), (6045, 35614), (12090, 17807)]