205530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 64

約数和(自身を含む): 580608

約数和(自身を除く): 375078

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 31, 34, 39, 51, 62, 65, 78, 85, 93, 102, 130, 155, 170, 186, 195, 221, 255, 310, 390, 403, 442, 465, 510, 527, 663, 806, 930, 1054, 1105, 1209, 1326, 1581, 2015, 2210, 2418, 2635, 3162, 3315, 4030, 5270, 6045, 6630, 6851, 7905, 12090, 13702, 15810, 20553, 34255, 41106, 68510, 102765, 205530]

約数ペア:

[(1, 205530), (2, 102765), (3, 68510), (5, 41106), (6, 34255), (10, 20553), (13, 15810), (15, 13702), (17, 12090), (26, 7905), (30, 6851), (31, 6630), (34, 6045), (39, 5270), (51, 4030), (62, 3315), (65, 3162), (78, 2635), (85, 2418), (93, 2210), (102, 2015), (130, 1581), (155, 1326), (170, 1209), (186, 1105), (195, 1054), (221, 930), (255, 806), (310, 663), (390, 527), (403, 510), (442, 465)]