201545680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{733}}^1$

素因数の和:1244

約数の個数: 80

約数和(自身を含む): 537358464

約数和(自身を除く): 335812784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 491, 560, 733, 982, 1466, 1964, 2455, 2932, 3437, 3665, 3928, 4910, 5131, 5864, 6874, 7330, 7856, 9820, 10262, 11728, 13748, 14660, 17185, 19640, 20524, 25655, 27496, 29320, 34370, 39280, 41048, 51310, 54992, 58640, 68740, 82096, 102620, 137480, 205240, 274960, 359903, 410480, 719806, 1439612, 1799515, 2519321, 2879224, 3599030, 5038642, 5758448, 7198060, 10077284, 12596605, 14396120, 20154568, 25193210, 28792240, 40309136, 50386420, 100772840, 201545680]

約数ペア:

[(1, 201545680), (2, 100772840), (4, 50386420), (5, 40309136), (7, 28792240), (8, 25193210), (10, 20154568), (14, 14396120), (16, 12596605), (20, 10077284), (28, 7198060), (35, 5758448), (40, 5038642), (56, 3599030), (70, 2879224), (80, 2519321), (112, 1799515), (140, 1439612), (280, 719806), (491, 410480), (560, 359903), (733, 274960), (982, 205240), (1466, 137480), (1964, 102620), (2455, 82096), (2932, 68740), (3437, 58640), (3665, 54992), (3928, 51310), (4910, 41048), (5131, 39280), (5864, 34370), (6874, 29320), (7330, 27496), (7856, 25655), (9820, 20524), (10262, 19640), (11728, 17185), (13748, 14660)]