139281680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2179}}^1$

素因数の和:2256

約数の個数: 80

約数和(自身を含む): 350334720

約数和(自身を除く): 211053040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1598, 1880, 2179, 3196, 3760, 3995, 4358, 6392, 7990, 8716, 10895, 12784, 15980, 17432, 21790, 31960, 34864, 37043, 43580, 63920, 74086, 87160, 102413, 148172, 174320, 185215, 204826, 296344, 370430, 409652, 512065, 592688, 740860, 819304, 1024130, 1481720, 1638608, 1741021, 2048260, 2963440, 3482042, 4096520, 6964084, 8193040, 8705105, 13928168, 17410210, 27856336, 34820420, 69640840, 139281680]

約数ペア:

[(1, 139281680), (2, 69640840), (4, 34820420), (5, 27856336), (8, 17410210), (10, 13928168), (16, 8705105), (17, 8193040), (20, 6964084), (34, 4096520), (40, 3482042), (47, 2963440), (68, 2048260), (80, 1741021), (85, 1638608), (94, 1481720), (136, 1024130), (170, 819304), (188, 740860), (235, 592688), (272, 512065), (340, 409652), (376, 370430), (470, 296344), (680, 204826), (752, 185215), (799, 174320), (940, 148172), (1360, 102413), (1598, 87160), (1880, 74086), (2179, 63920), (3196, 43580), (3760, 37043), (3995, 34864), (4358, 31960), (6392, 21790), (7990, 17432), (8716, 15980), (10895, 12784)]