65666640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1619}}^1$

素因数の和:1661

約数の個数: 120

約数和(自身を含む): 220566240

約数和(自身を除く): 154899600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1619, 1690, 2028, 2535, 2704, 3120, 3238, 3380, 4056, 4857, 5070, 6476, 6760, 8095, 8112, 9714, 10140, 12952, 13520, 16190, 19428, 20280, 21047, 24285, 25904, 32380, 38856, 40560, 42094, 48570, 63141, 64760, 77712, 84188, 97140, 105235, 126282, 129520, 168376, 194280, 210470, 252564, 273611, 315705, 336752, 388560, 420940, 505128, 547222, 631410, 820833, 841880, 1010256, 1094444, 1262820, 1368055, 1641666, 1683760, 2188888, 2525640, 2736110, 3283332, 4104165, 4377776, 5051280, 5472220, 6566664, 8208330, 10944440, 13133328, 16416660, 21888880, 32833320, 65666640]

約数ペア:

[(1, 65666640), (2, 32833320), (3, 21888880), (4, 16416660), (5, 13133328), (6, 10944440), (8, 8208330), (10, 6566664), (12, 5472220), (13, 5051280), (15, 4377776), (16, 4104165), (20, 3283332), (24, 2736110), (26, 2525640), (30, 2188888), (39, 1683760), (40, 1641666), (48, 1368055), (52, 1262820), (60, 1094444), (65, 1010256), (78, 841880), (80, 820833), (104, 631410), (120, 547222), (130, 505128), (156, 420940), (169, 388560), (195, 336752), (208, 315705), (240, 273611), (260, 252564), (312, 210470), (338, 194280), (390, 168376), (507, 129520), (520, 126282), (624, 105235), (676, 97140), (780, 84188), (845, 77712), (1014, 64760), (1040, 63141), (1352, 48570), (1560, 42094), (1619, 40560), (1690, 38856), (2028, 32380), (2535, 25904), (2704, 24285), (3120, 21047), (3238, 20280), (3380, 19428), (4056, 16190), (4857, 13520), (5070, 12952), (6476, 10140), (6760, 9714), (8095, 8112)]