221653760

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7529}}^1$

素因数の和:7573

約数の個数: 72

約数和(自身を含む): 554087520

約数和(自身を除く): 332433760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7360, 7529, 14720, 15058, 29440, 30116, 37645, 60232, 75290, 120464, 150580, 173167, 240928, 301160, 346334, 481856, 602320, 692668, 865835, 963712, 1204640, 1385336, 1731670, 1927424, 2409280, 2770672, 3463340, 4818560, 5541344, 6926680, 9637120, 11082688, 13853360, 22165376, 27706720, 44330752, 55413440, 110826880, 221653760]

約数ペア:

[(1, 221653760), (2, 110826880), (4, 55413440), (5, 44330752), (8, 27706720), (10, 22165376), (16, 13853360), (20, 11082688), (23, 9637120), (32, 6926680), (40, 5541344), (46, 4818560), (64, 3463340), (80, 2770672), (92, 2409280), (115, 1927424), (128, 1731670), (160, 1385336), (184, 1204640), (230, 963712), (256, 865835), (320, 692668), (368, 602320), (460, 481856), (640, 346334), (736, 301160), (920, 240928), (1280, 173167), (1472, 150580), (1840, 120464), (2944, 75290), (3680, 60232), (5888, 37645), (7360, 30116), (7529, 29440), (14720, 15058)]