280041720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{333383}}^1$

素因数の和:333404

約数の個数: 64

約数和(自身を含む): 960145920

約数和(自身を除く): 680104200

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, 333383, 666766, 1000149, 1333532, 1666915, 2000298, 2333681, 2667064, 3333830, 4000596, 4667362, 5000745, 6667660, 7001043, 8001192, 9334724, 10001490, 11668405, 13335320, 14002086, 18669448, 20002980, 23336810, 28004172, 35005215, 40005960, 46673620, 56008344, 70010430, 93347240, 140020860, 280041720]

約数ペア:

[(1, 280041720), (2, 140020860), (3, 93347240), (4, 70010430), (5, 56008344), (6, 46673620), (7, 40005960), (8, 35005215), (10, 28004172), (12, 23336810), (14, 20002980), (15, 18669448), (20, 14002086), (21, 13335320), (24, 11668405), (28, 10001490), (30, 9334724), (35, 8001192), (40, 7001043), (42, 6667660), (56, 5000745), (60, 4667362), (70, 4000596), (84, 3333830), (105, 2667064), (120, 2333681), (140, 2000298), (168, 1666915), (210, 1333532), (280, 1000149), (420, 666766), (840, 333383)]