1726720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 4415040

約数和(自身を除く): 2688320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 71, 76, 80, 95, 128, 142, 152, 160, 190, 256, 284, 304, 320, 355, 380, 568, 608, 640, 710, 760, 1136, 1216, 1280, 1349, 1420, 1520, 2272, 2432, 2698, 2840, 3040, 4544, 4864, 5396, 5680, 6080, 6745, 9088, 10792, 11360, 12160, 13490, 18176, 21584, 22720, 24320, 26980, 43168, 45440, 53960, 86336, 90880, 107920, 172672, 215840, 345344, 431680, 863360, 1726720]

約数ペア:

[(1, 1726720), (2, 863360), (4, 431680), (5, 345344), (8, 215840), (10, 172672), (16, 107920), (19, 90880), (20, 86336), (32, 53960), (38, 45440), (40, 43168), (64, 26980), (71, 24320), (76, 22720), (80, 21584), (95, 18176), (128, 13490), (142, 12160), (152, 11360), (160, 10792), (190, 9088), (256, 6745), (284, 6080), (304, 5680), (320, 5396), (355, 4864), (380, 4544), (568, 3040), (608, 2840), (640, 2698), (710, 2432), (760, 2272), (1136, 1520), (1216, 1420), (1280, 1349)]