12286720

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 30537360

約数和(自身を除く): 18250640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 331, 464, 580, 640, 662, 928, 1160, 1280, 1324, 1655, 1856, 2320, 2648, 3310, 3712, 4640, 5296, 6620, 7424, 9280, 9599, 10592, 13240, 18560, 19198, 21184, 26480, 37120, 38396, 42368, 47995, 52960, 76792, 84736, 95990, 105920, 153584, 191980, 211840, 307168, 383960, 423680, 614336, 767920, 1228672, 1535840, 2457344, 3071680, 6143360, 12286720]

約数ペア:

[(1, 12286720), (2, 6143360), (4, 3071680), (5, 2457344), (8, 1535840), (10, 1228672), (16, 767920), (20, 614336), (29, 423680), (32, 383960), (40, 307168), (58, 211840), (64, 191980), (80, 153584), (116, 105920), (128, 95990), (145, 84736), (160, 76792), (232, 52960), (256, 47995), (290, 42368), (320, 38396), (331, 37120), (464, 26480), (580, 21184), (640, 19198), (662, 18560), (928, 13240), (1160, 10592), (1280, 9599), (1324, 9280), (1655, 7424), (1856, 6620), (2320, 5296), (2648, 4640), (3310, 3712)]