27898640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:685

約数の個数: 120

約数和(自身を含む): 82441152

約数和(自身を除く): 54542512

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 647, 770, 784, 880, 980, 1078, 1232, 1294, 1540, 1960, 2156, 2588, 2695, 3080, 3235, 3920, 4312, 4529, 5176, 5390, 6160, 6470, 7117, 8624, 9058, 10352, 10780, 12940, 14234, 18116, 21560, 22645, 25880, 28468, 31703, 35585, 36232, 43120, 45290, 49819, 51760, 56936, 63406, 71170, 72464, 90580, 99638, 113872, 126812, 142340, 158515, 181160, 199276, 249095, 253624, 284680, 317030, 348733, 362320, 398552, 498190, 507248, 569360, 634060, 697466, 797104, 996380, 1268120, 1394932, 1743665, 1992760, 2536240, 2789864, 3487330, 3985520, 5579728, 6974660, 13949320, 27898640]

約数ペア:

[(1, 27898640), (2, 13949320), (4, 6974660), (5, 5579728), (7, 3985520), (8, 3487330), (10, 2789864), (11, 2536240), (14, 1992760), (16, 1743665), (20, 1394932), (22, 1268120), (28, 996380), (35, 797104), (40, 697466), (44, 634060), (49, 569360), (55, 507248), (56, 498190), (70, 398552), (77, 362320), (80, 348733), (88, 317030), (98, 284680), (110, 253624), (112, 249095), (140, 199276), (154, 181160), (176, 158515), (196, 142340), (220, 126812), (245, 113872), (280, 99638), (308, 90580), (385, 72464), (392, 71170), (440, 63406), (490, 56936), (539, 51760), (560, 49819), (616, 45290), (647, 43120), (770, 36232), (784, 35585), (880, 31703), (980, 28468), (1078, 25880), (1232, 22645), (1294, 21560), (1540, 18116), (1960, 14234), (2156, 12940), (2588, 10780), (2695, 10352), (3080, 9058), (3235, 8624), (3920, 7117), (4312, 6470), (4529, 6160), (5176, 5390)]