67737280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:906

約数の個数: 112

約数和(自身を含む): 183062880

約数和(自身を除く): 115325600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 857, 988, 1040, 1216, 1235, 1520, 1714, 1976, 2080, 2470, 3040, 3428, 3952, 4160, 4285, 4940, 6080, 6856, 7904, 8570, 9880, 11141, 13712, 15808, 16283, 17140, 19760, 22282, 27424, 32566, 34280, 39520, 44564, 54848, 55705, 65132, 68560, 79040, 81415, 89128, 111410, 130264, 137120, 162830, 178256, 211679, 222820, 260528, 274240, 325660, 356512, 423358, 445640, 521056, 651320, 713024, 846716, 891280, 1042112, 1058395, 1302640, 1693432, 1782560, 2116790, 2605280, 3386864, 3565120, 4233580, 5210560, 6773728, 8467160, 13547456, 16934320, 33868640, 67737280]

約数ペア:

[(1, 67737280), (2, 33868640), (4, 16934320), (5, 13547456), (8, 8467160), (10, 6773728), (13, 5210560), (16, 4233580), (19, 3565120), (20, 3386864), (26, 2605280), (32, 2116790), (38, 1782560), (40, 1693432), (52, 1302640), (64, 1058395), (65, 1042112), (76, 891280), (80, 846716), (95, 713024), (104, 651320), (130, 521056), (152, 445640), (160, 423358), (190, 356512), (208, 325660), (247, 274240), (260, 260528), (304, 222820), (320, 211679), (380, 178256), (416, 162830), (494, 137120), (520, 130264), (608, 111410), (760, 89128), (832, 81415), (857, 79040), (988, 68560), (1040, 65132), (1216, 55705), (1235, 54848), (1520, 44564), (1714, 39520), (1976, 34280), (2080, 32566), (2470, 27424), (3040, 22282), (3428, 19760), (3952, 17140), (4160, 16283), (4285, 15808), (4940, 13712), (6080, 11141), (6856, 9880), (7904, 8570)]