179997720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{214283}}^1$

素因数の和:214304

約数の個数: 64

約数和(自身を含む): 617137920

約数和(自身を除く): 437140200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 214283, 428566, 642849, 857132, 1071415, 1285698, 1499981, 1714264, 2142830, 2571396, 2999962, 3214245, 4285660, 4499943, 5142792, 5999924, 6428490, 7499905, 8571320, 8999886, 11999848, 12856980, 14999810, 17999772, 22499715, 25713960, 29999620, 35999544, 44999430, 59999240, 89998860, 179997720]

約数ペア:

[(1, 179997720), (2, 89998860), (3, 59999240), (4, 44999430), (5, 35999544), (6, 29999620), (7, 25713960), (8, 22499715), (10, 17999772), (12, 14999810), (14, 12856980), (15, 11999848), (20, 8999886), (21, 8571320), (24, 7499905), (28, 6428490), (30, 5999924), (35, 5142792), (40, 4499943), (42, 4285660), (56, 3214245), (60, 2999962), (70, 2571396), (84, 2142830), (105, 1714264), (120, 1499981), (140, 1285698), (168, 1071415), (210, 857132), (280, 642849), (420, 428566), (840, 214283)]