77876480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5531}}^1$

素因数の和:5563

約数の個数: 72

約数和(自身を含む): 203533344

約数和(自身を除く): 125656864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 5531, 7040, 11062, 14080, 22124, 27655, 44248, 55310, 60841, 88496, 110620, 121682, 176992, 221240, 243364, 304205, 353984, 442480, 486728, 608410, 707968, 884960, 973456, 1216820, 1415936, 1769920, 1946912, 2433640, 3539840, 3893824, 4867280, 7079680, 7787648, 9734560, 15575296, 19469120, 38938240, 77876480]

約数ペア:

[(1, 77876480), (2, 38938240), (4, 19469120), (5, 15575296), (8, 9734560), (10, 7787648), (11, 7079680), (16, 4867280), (20, 3893824), (22, 3539840), (32, 2433640), (40, 1946912), (44, 1769920), (55, 1415936), (64, 1216820), (80, 973456), (88, 884960), (110, 707968), (128, 608410), (160, 486728), (176, 442480), (220, 353984), (256, 304205), (320, 243364), (352, 221240), (440, 176992), (640, 121682), (704, 110620), (880, 88496), (1280, 60841), (1408, 55310), (1760, 44248), (2816, 27655), (3520, 22124), (5531, 14080), (7040, 11062)]