257230260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{204151}}^1$

素因数の和:204173

約数の個数: 72

約数和(自身を含む): 891735936

約数和(自身を除く): 634505676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 204151, 408302, 612453, 816604, 1020755, 1224906, 1429057, 1837359, 2041510, 2449812, 2858114, 3062265, 3674718, 4083020, 4287171, 5716228, 6124530, 7145285, 7349436, 8574342, 9186795, 12249060, 12861513, 14290570, 17148684, 18373590, 21435855, 25723026, 28581140, 36747180, 42871710, 51446052, 64307565, 85743420, 128615130, 257230260]

約数ペア:

[(1, 257230260), (2, 128615130), (3, 85743420), (4, 64307565), (5, 51446052), (6, 42871710), (7, 36747180), (9, 28581140), (10, 25723026), (12, 21435855), (14, 18373590), (15, 17148684), (18, 14290570), (20, 12861513), (21, 12249060), (28, 9186795), (30, 8574342), (35, 7349436), (36, 7145285), (42, 6124530), (45, 5716228), (60, 4287171), (63, 4083020), (70, 3674718), (84, 3062265), (90, 2858114), (105, 2449812), (126, 2041510), (140, 1837359), (180, 1429057), (210, 1224906), (252, 1020755), (315, 816604), (420, 612453), (630, 408302), (1260, 204151)]