68553520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:435

約数の個数: 160

約数和(自身を含む): 203558400

約数和(自身を除く): 135004880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 80, 85, 95, 112, 119, 133, 136, 140, 152, 170, 190, 238, 266, 272, 280, 304, 323, 340, 379, 380, 476, 532, 560, 595, 646, 665, 680, 758, 760, 952, 1064, 1190, 1292, 1330, 1360, 1516, 1520, 1615, 1895, 1904, 2128, 2261, 2380, 2584, 2653, 2660, 3032, 3230, 3790, 4522, 4760, 5168, 5306, 5320, 6064, 6443, 6460, 7201, 7580, 9044, 9520, 10612, 10640, 11305, 12886, 12920, 13265, 14402, 15160, 18088, 21224, 22610, 25772, 25840, 26530, 28804, 30320, 32215, 36005, 36176, 42448, 45101, 45220, 50407, 51544, 53060, 57608, 64430, 72010, 90202, 90440, 100814, 103088, 106120, 115216, 122417, 128860, 144020, 180404, 180880, 201628, 212240, 225505, 244834, 252035, 257720, 288040, 360808, 403256, 451010, 489668, 504070, 515440, 576080, 612085, 721616, 806512, 856919, 902020, 979336, 1008140, 1224170, 1713838, 1804040, 1958672, 2016280, 2448340, 3427676, 3608080, 4032560, 4284595, 4896680, 6855352, 8569190, 9793360, 13710704, 17138380, 34276760, 68553520]

約数ペア:

[(1, 68553520), (2, 34276760), (4, 17138380), (5, 13710704), (7, 9793360), (8, 8569190), (10, 6855352), (14, 4896680), (16, 4284595), (17, 4032560), (19, 3608080), (20, 3427676), (28, 2448340), (34, 2016280), (35, 1958672), (38, 1804040), (40, 1713838), (56, 1224170), (68, 1008140), (70, 979336), (76, 902020), (80, 856919), (85, 806512), (95, 721616), (112, 612085), (119, 576080), (133, 515440), (136, 504070), (140, 489668), (152, 451010), (170, 403256), (190, 360808), (238, 288040), (266, 257720), (272, 252035), (280, 244834), (304, 225505), (323, 212240), (340, 201628), (379, 180880), (380, 180404), (476, 144020), (532, 128860), (560, 122417), (595, 115216), (646, 106120), (665, 103088), (680, 100814), (758, 90440), (760, 90202), (952, 72010), (1064, 64430), (1190, 57608), (1292, 53060), (1330, 51544), (1360, 50407), (1516, 45220), (1520, 45101), (1615, 42448), (1895, 36176), (1904, 36005), (2128, 32215), (2261, 30320), (2380, 28804), (2584, 26530), (2653, 25840), (2660, 25772), (3032, 22610), (3230, 21224), (3790, 18088), (4522, 15160), (4760, 14402), (5168, 13265), (5306, 12920), (5320, 12886), (6064, 11305), (6443, 10640), (6460, 10612), (7201, 9520), (7580, 9044)]