55797280

素因数分解:

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

素因数の和:687

約数の個数: 144

約数和(自身を含む): 167541696

約数和(自身を除く): 111744416

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 647, 770, 784, 880, 980, 1078, 1120, 1232, 1294, 1540, 1568, 1760, 1960, 2156, 2464, 2588, 2695, 3080, 3235, 3920, 4312, 4529, 5176, 5390, 6160, 6470, 7117, 7840, 8624, 9058, 10352, 10780, 12320, 12940, 14234, 17248, 18116, 20704, 21560, 22645, 25880, 28468, 31703, 35585, 36232, 43120, 45290, 49819, 51760, 56936, 63406, 71170, 72464, 86240, 90580, 99638, 103520, 113872, 126812, 142340, 144928, 158515, 181160, 199276, 227744, 249095, 253624, 284680, 317030, 348733, 362320, 398552, 498190, 507248, 569360, 634060, 697466, 724640, 797104, 996380, 1014496, 1138720, 1268120, 1394932, 1594208, 1743665, 1992760, 2536240, 2789864, 3487330, 3985520, 5072480, 5579728, 6974660, 7971040, 11159456, 13949320, 27898640, 55797280]

約数ペア:

[(1, 55797280), (2, 27898640), (4, 13949320), (5, 11159456), (7, 7971040), (8, 6974660), (10, 5579728), (11, 5072480), (14, 3985520), (16, 3487330), (20, 2789864), (22, 2536240), (28, 1992760), (32, 1743665), (35, 1594208), (40, 1394932), (44, 1268120), (49, 1138720), (55, 1014496), (56, 996380), (70, 797104), (77, 724640), (80, 697466), (88, 634060), (98, 569360), (110, 507248), (112, 498190), (140, 398552), (154, 362320), (160, 348733), (176, 317030), (196, 284680), (220, 253624), (224, 249095), (245, 227744), (280, 199276), (308, 181160), (352, 158515), (385, 144928), (392, 142340), (440, 126812), (490, 113872), (539, 103520), (560, 99638), (616, 90580), (647, 86240), (770, 72464), (784, 71170), (880, 63406), (980, 56936), (1078, 51760), (1120, 49819), (1232, 45290), (1294, 43120), (1540, 36232), (1568, 35585), (1760, 31703), (1960, 28468), (2156, 25880), (2464, 22645), (2588, 21560), (2695, 20704), (3080, 18116), (3235, 17248), (3920, 14234), (4312, 12940), (4529, 12320), (5176, 10780), (5390, 10352), (6160, 9058), (6470, 8624), (7117, 7840)]