31770280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2459}}^1$

素因数の和:2506

約数の個数: 64

約数和(自身を含む): 79704000

約数和(自身を除く): 47933720

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2459, 2584, 3230, 4918, 6460, 9836, 12295, 12920, 19672, 24590, 41803, 46721, 49180, 83606, 93442, 98360, 167212, 186884, 209015, 233605, 334424, 373768, 418030, 467210, 794257, 836060, 934420, 1588514, 1672120, 1868840, 3177028, 3971285, 6354056, 7942570, 15885140, 31770280]

約数ペア:

[(1, 31770280), (2, 15885140), (4, 7942570), (5, 6354056), (8, 3971285), (10, 3177028), (17, 1868840), (19, 1672120), (20, 1588514), (34, 934420), (38, 836060), (40, 794257), (68, 467210), (76, 418030), (85, 373768), (95, 334424), (136, 233605), (152, 209015), (170, 186884), (190, 167212), (323, 98360), (340, 93442), (380, 83606), (646, 49180), (680, 46721), (760, 41803), (1292, 24590), (1615, 19672), (2459, 12920), (2584, 12295), (3230, 9836), (4918, 6460)]