77749280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 144

約数和(自身を含む): 219252096

約数和(自身を除く): 141502816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 160, 188, 196, 211, 224, 235, 245, 280, 329, 376, 392, 422, 470, 490, 560, 658, 752, 784, 844, 940, 980, 1055, 1120, 1316, 1477, 1504, 1568, 1645, 1688, 1880, 1960, 2110, 2303, 2632, 2954, 3290, 3376, 3760, 3920, 4220, 4606, 5264, 5908, 6580, 6752, 7385, 7520, 7840, 8440, 9212, 9917, 10339, 10528, 11515, 11816, 13160, 14770, 16880, 18424, 19834, 20678, 23030, 23632, 26320, 29540, 33760, 36848, 39668, 41356, 46060, 47264, 49585, 51695, 52640, 59080, 69419, 73696, 79336, 82712, 92120, 99170, 103390, 118160, 138838, 158672, 165424, 184240, 198340, 206780, 236320, 277676, 317344, 330848, 347095, 368480, 396680, 413560, 485933, 555352, 694190, 793360, 827120, 971866, 1110704, 1388380, 1586720, 1654240, 1943732, 2221408, 2429665, 2776760, 3887464, 4859330, 5553520, 7774928, 9718660, 11107040, 15549856, 19437320, 38874640, 77749280]

約数ペア:

[(1, 77749280), (2, 38874640), (4, 19437320), (5, 15549856), (7, 11107040), (8, 9718660), (10, 7774928), (14, 5553520), (16, 4859330), (20, 3887464), (28, 2776760), (32, 2429665), (35, 2221408), (40, 1943732), (47, 1654240), (49, 1586720), (56, 1388380), (70, 1110704), (80, 971866), (94, 827120), (98, 793360), (112, 694190), (140, 555352), (160, 485933), (188, 413560), (196, 396680), (211, 368480), (224, 347095), (235, 330848), (245, 317344), (280, 277676), (329, 236320), (376, 206780), (392, 198340), (422, 184240), (470, 165424), (490, 158672), (560, 138838), (658, 118160), (752, 103390), (784, 99170), (844, 92120), (940, 82712), (980, 79336), (1055, 73696), (1120, 69419), (1316, 59080), (1477, 52640), (1504, 51695), (1568, 49585), (1645, 47264), (1688, 46060), (1880, 41356), (1960, 39668), (2110, 36848), (2303, 33760), (2632, 29540), (2954, 26320), (3290, 23632), (3376, 23030), (3760, 20678), (3920, 19834), (4220, 18424), (4606, 16880), (5264, 14770), (5908, 13160), (6580, 11816), (6752, 11515), (7385, 10528), (7520, 10339), (7840, 9917), (8440, 9212)]