66223360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 191318400

約数和(自身を除く): 125095040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 389, 448, 532, 560, 608, 640, 665, 760, 778, 896, 1064, 1120, 1216, 1280, 1330, 1520, 1556, 1792, 1945, 2128, 2240, 2432, 2660, 2723, 3040, 3112, 3890, 4256, 4480, 4864, 5320, 5446, 6080, 6224, 7391, 7780, 8512, 8960, 10640, 10892, 12160, 12448, 13615, 14782, 15560, 17024, 21280, 21784, 24320, 24896, 27230, 29564, 31120, 34048, 36955, 42560, 43568, 49792, 51737, 54460, 59128, 62240, 73910, 85120, 87136, 99584, 103474, 108920, 118256, 124480, 147820, 170240, 174272, 206948, 217840, 236512, 248960, 258685, 295640, 348544, 413896, 435680, 473024, 497920, 517370, 591280, 697088, 827792, 871360, 946048, 1034740, 1182560, 1655584, 1742720, 1892096, 2069480, 2365120, 3311168, 3485440, 4138960, 4730240, 6622336, 8277920, 9460480, 13244672, 16555840, 33111680, 66223360]

約数ペア:

[(1, 66223360), (2, 33111680), (4, 16555840), (5, 13244672), (7, 9460480), (8, 8277920), (10, 6622336), (14, 4730240), (16, 4138960), (19, 3485440), (20, 3311168), (28, 2365120), (32, 2069480), (35, 1892096), (38, 1742720), (40, 1655584), (56, 1182560), (64, 1034740), (70, 946048), (76, 871360), (80, 827792), (95, 697088), (112, 591280), (128, 517370), (133, 497920), (140, 473024), (152, 435680), (160, 413896), (190, 348544), (224, 295640), (256, 258685), (266, 248960), (280, 236512), (304, 217840), (320, 206948), (380, 174272), (389, 170240), (448, 147820), (532, 124480), (560, 118256), (608, 108920), (640, 103474), (665, 99584), (760, 87136), (778, 85120), (896, 73910), (1064, 62240), (1120, 59128), (1216, 54460), (1280, 51737), (1330, 49792), (1520, 43568), (1556, 42560), (1792, 36955), (1945, 34048), (2128, 31120), (2240, 29564), (2432, 27230), (2660, 24896), (2723, 24320), (3040, 21784), (3112, 21280), (3890, 17024), (4256, 15560), (4480, 14782), (4864, 13615), (5320, 12448), (5446, 12160), (6080, 10892), (6224, 10640), (7391, 8960), (7780, 8512)]