2005430080

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:576

約数の個数: 112

約数和(自身を含む): 4854366720

約数和(自身を除く): 2848936640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 179, 223, 314, 320, 358, 446, 628, 716, 785, 892, 895, 1115, 1256, 1432, 1570, 1784, 1790, 2230, 2512, 2864, 3140, 3568, 3580, 4460, 5024, 5728, 6280, 7136, 7160, 8920, 10048, 11456, 12560, 14272, 14320, 17840, 25120, 28103, 28640, 35011, 35680, 39917, 50240, 56206, 57280, 70022, 71360, 79834, 112412, 140044, 140515, 159668, 175055, 199585, 224824, 280088, 281030, 319336, 350110, 399170, 449648, 560176, 562060, 638672, 700220, 798340, 899296, 1120352, 1124120, 1277344, 1400440, 1596680, 1798592, 2240704, 2248240, 2554688, 2800880, 3193360, 4496480, 5601760, 6266969, 6386720, 8992960, 11203520, 12533938, 12773440, 25067876, 31334845, 50135752, 62669690, 100271504, 125339380, 200543008, 250678760, 401086016, 501357520, 1002715040, 2005430080]

約数ペア:

[(1, 2005430080), (2, 1002715040), (4, 501357520), (5, 401086016), (8, 250678760), (10, 200543008), (16, 125339380), (20, 100271504), (32, 62669690), (40, 50135752), (64, 31334845), (80, 25067876), (157, 12773440), (160, 12533938), (179, 11203520), (223, 8992960), (314, 6386720), (320, 6266969), (358, 5601760), (446, 4496480), (628, 3193360), (716, 2800880), (785, 2554688), (892, 2248240), (895, 2240704), (1115, 1798592), (1256, 1596680), (1432, 1400440), (1570, 1277344), (1784, 1124120), (1790, 1120352), (2230, 899296), (2512, 798340), (2864, 700220), (3140, 638672), (3568, 562060), (3580, 560176), (4460, 449648), (5024, 399170), (5728, 350110), (6280, 319336), (7136, 281030), (7160, 280088), (8920, 224824), (10048, 199585), (11456, 175055), (12560, 159668), (14272, 140515), (14320, 140044), (17840, 112412), (25120, 79834), (28103, 71360), (28640, 70022), (35011, 57280), (35680, 56206), (39917, 50240)]