68805880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 190149120

約数和(自身を除く): 121343240

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 88, 92, 104, 110, 115, 130, 143, 184, 220, 230, 253, 260, 286, 299, 440, 460, 506, 520, 523, 572, 598, 715, 920, 1012, 1046, 1144, 1196, 1265, 1430, 1495, 2024, 2092, 2392, 2530, 2615, 2860, 2990, 3289, 4184, 5060, 5230, 5720, 5753, 5980, 6578, 6799, 10120, 10460, 11506, 11960, 12029, 13156, 13598, 16445, 20920, 23012, 24058, 26312, 27196, 28765, 32890, 33995, 46024, 48116, 54392, 57530, 60145, 65780, 67990, 74789, 96232, 115060, 120290, 131560, 132319, 135980, 149578, 156377, 230120, 240580, 264638, 271960, 299156, 312754, 373945, 481160, 529276, 598312, 625508, 661595, 747890, 781885, 1058552, 1251016, 1323190, 1495780, 1563770, 1720147, 2646380, 2991560, 3127540, 3440294, 5292760, 6255080, 6880588, 8600735, 13761176, 17201470, 34402940, 68805880]

約数ペア:

[(1, 68805880), (2, 34402940), (4, 17201470), (5, 13761176), (8, 8600735), (10, 6880588), (11, 6255080), (13, 5292760), (20, 3440294), (22, 3127540), (23, 2991560), (26, 2646380), (40, 1720147), (44, 1563770), (46, 1495780), (52, 1323190), (55, 1251016), (65, 1058552), (88, 781885), (92, 747890), (104, 661595), (110, 625508), (115, 598312), (130, 529276), (143, 481160), (184, 373945), (220, 312754), (230, 299156), (253, 271960), (260, 264638), (286, 240580), (299, 230120), (440, 156377), (460, 149578), (506, 135980), (520, 132319), (523, 131560), (572, 120290), (598, 115060), (715, 96232), (920, 74789), (1012, 67990), (1046, 65780), (1144, 60145), (1196, 57530), (1265, 54392), (1430, 48116), (1495, 46024), (2024, 33995), (2092, 32890), (2392, 28765), (2530, 27196), (2615, 26312), (2860, 24058), (2990, 23012), (3289, 20920), (4184, 16445), (5060, 13598), (5230, 13156), (5720, 12029), (5753, 11960), (5980, 11506), (6578, 10460), (6799, 10120)]