655033280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{491}}^1$

素因数の和:898

約数の個数: 112

約数和(自身を含む): 1709562240

約数和(自身を除く): 1054528960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 379, 440, 491, 704, 758, 880, 982, 1516, 1760, 1895, 1964, 2455, 3032, 3520, 3790, 3928, 4169, 4910, 5401, 6064, 7580, 7856, 8338, 9820, 10802, 12128, 15160, 15712, 16676, 19640, 20845, 21604, 24256, 27005, 30320, 31424, 33352, 39280, 41690, 43208, 54010, 60640, 66704, 78560, 83380, 86416, 108020, 121280, 133408, 157120, 166760, 172832, 186089, 216040, 266816, 333520, 345664, 372178, 432080, 667040, 744356, 864160, 930445, 1334080, 1488712, 1728320, 1860890, 2046979, 2977424, 3721780, 4093958, 5954848, 7443560, 8187916, 10234895, 11909696, 14887120, 16375832, 20469790, 29774240, 32751664, 40939580, 59548480, 65503328, 81879160, 131006656, 163758320, 327516640, 655033280]

約数ペア:

[(1, 655033280), (2, 327516640), (4, 163758320), (5, 131006656), (8, 81879160), (10, 65503328), (11, 59548480), (16, 40939580), (20, 32751664), (22, 29774240), (32, 20469790), (40, 16375832), (44, 14887120), (55, 11909696), (64, 10234895), (80, 8187916), (88, 7443560), (110, 5954848), (160, 4093958), (176, 3721780), (220, 2977424), (320, 2046979), (352, 1860890), (379, 1728320), (440, 1488712), (491, 1334080), (704, 930445), (758, 864160), (880, 744356), (982, 667040), (1516, 432080), (1760, 372178), (1895, 345664), (1964, 333520), (2455, 266816), (3032, 216040), (3520, 186089), (3790, 172832), (3928, 166760), (4169, 157120), (4910, 133408), (5401, 121280), (6064, 108020), (7580, 86416), (7856, 83380), (8338, 78560), (9820, 66704), (10802, 60640), (12128, 54010), (15160, 43208), (15712, 41690), (16676, 39280), (19640, 33352), (20845, 31424), (21604, 30320), (24256, 27005)]