254189040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{151303}}^1$

素因数の和:151326

約数の個数: 80

約数和(自身を含む): 900561408

約数和(自身を除く): 646372368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 151303, 302606, 453909, 605212, 756515, 907818, 1059121, 1210424, 1513030, 1815636, 2118242, 2269545, 2420848, 3026060, 3177363, 3631272, 4236484, 4539090, 5295605, 6052120, 6354726, 7262544, 8472968, 9078180, 10591210, 12104240, 12709452, 15886815, 16945936, 18156360, 21182420, 25418904, 31773630, 36312720, 42364840, 50837808, 63547260, 84729680, 127094520, 254189040]

約数ペア:

[(1, 254189040), (2, 127094520), (3, 84729680), (4, 63547260), (5, 50837808), (6, 42364840), (7, 36312720), (8, 31773630), (10, 25418904), (12, 21182420), (14, 18156360), (15, 16945936), (16, 15886815), (20, 12709452), (21, 12104240), (24, 10591210), (28, 9078180), (30, 8472968), (35, 7262544), (40, 6354726), (42, 6052120), (48, 5295605), (56, 4539090), (60, 4236484), (70, 3631272), (80, 3177363), (84, 3026060), (105, 2420848), (112, 2269545), (120, 2118242), (140, 1815636), (168, 1513030), (210, 1210424), (240, 1059121), (280, 907818), (336, 756515), (420, 605212), (560, 453909), (840, 302606), (1680, 151303)]