66780840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{743}}^1$

素因数の和:871

約数の個数: 128

約数和(自身を含む): 231413760

約数和(自身を除く): 164632920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 107, 120, 140, 168, 210, 214, 280, 321, 420, 428, 535, 642, 743, 749, 840, 856, 1070, 1284, 1486, 1498, 1605, 2140, 2229, 2247, 2568, 2972, 2996, 3210, 3715, 3745, 4280, 4458, 4494, 5201, 5944, 5992, 6420, 7430, 7490, 8916, 8988, 10402, 11145, 11235, 12840, 14860, 14980, 15603, 17832, 17976, 20804, 22290, 22470, 26005, 29720, 29960, 31206, 41608, 44580, 44940, 52010, 62412, 78015, 79501, 89160, 89880, 104020, 124824, 156030, 159002, 208040, 238503, 312060, 318004, 397505, 477006, 556507, 624120, 636008, 795010, 954012, 1113014, 1192515, 1590020, 1669521, 1908024, 2226028, 2385030, 2782535, 3180040, 3339042, 4452056, 4770060, 5565070, 6678084, 8347605, 9540120, 11130140, 13356168, 16695210, 22260280, 33390420, 66780840]

約数ペア:

[(1, 66780840), (2, 33390420), (3, 22260280), (4, 16695210), (5, 13356168), (6, 11130140), (7, 9540120), (8, 8347605), (10, 6678084), (12, 5565070), (14, 4770060), (15, 4452056), (20, 3339042), (21, 3180040), (24, 2782535), (28, 2385030), (30, 2226028), (35, 1908024), (40, 1669521), (42, 1590020), (56, 1192515), (60, 1113014), (70, 954012), (84, 795010), (105, 636008), (107, 624120), (120, 556507), (140, 477006), (168, 397505), (210, 318004), (214, 312060), (280, 238503), (321, 208040), (420, 159002), (428, 156030), (535, 124824), (642, 104020), (743, 89880), (749, 89160), (840, 79501), (856, 78015), (1070, 62412), (1284, 52010), (1486, 44940), (1498, 44580), (1605, 41608), (2140, 31206), (2229, 29960), (2247, 29720), (2568, 26005), (2972, 22470), (2996, 22290), (3210, 20804), (3715, 17976), (3745, 17832), (4280, 15603), (4458, 14980), (4494, 14860), (5201, 12840), (5944, 11235), (5992, 11145), (6420, 10402), (7430, 8988), (7490, 8916)]