1242800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:270

約数の個数: 60

約数和(自身を含む): 3228960

約数和(自身を除く): 1986160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 239, 260, 325, 400, 478, 520, 650, 956, 1040, 1195, 1300, 1912, 2390, 2600, 3107, 3824, 4780, 5200, 5975, 6214, 9560, 11950, 12428, 15535, 19120, 23900, 24856, 31070, 47800, 49712, 62140, 77675, 95600, 124280, 155350, 248560, 310700, 621400, 1242800]

約数ペア:

[(1, 1242800), (2, 621400), (4, 310700), (5, 248560), (8, 155350), (10, 124280), (13, 95600), (16, 77675), (20, 62140), (25, 49712), (26, 47800), (40, 31070), (50, 24856), (52, 23900), (65, 19120), (80, 15535), (100, 12428), (104, 11950), (130, 9560), (200, 6214), (208, 5975), (239, 5200), (260, 4780), (325, 3824), (400, 3107), (478, 2600), (520, 2390), (650, 1912), (956, 1300), (1040, 1195)]