68623380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 240589440

約数和(自身を除く): 171966060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 107, 126, 140, 180, 210, 214, 252, 315, 321, 420, 428, 509, 535, 630, 642, 749, 963, 1018, 1070, 1260, 1284, 1498, 1527, 1605, 1926, 2036, 2140, 2247, 2545, 2996, 3054, 3210, 3563, 3745, 3852, 4494, 4581, 4815, 5090, 6108, 6420, 6741, 7126, 7490, 7635, 8988, 9162, 9630, 10180, 10689, 11235, 13482, 14252, 14980, 15270, 17815, 18324, 19260, 21378, 22470, 22905, 26964, 30540, 32067, 33705, 35630, 42756, 44940, 45810, 53445, 54463, 64134, 67410, 71260, 91620, 106890, 108926, 128268, 134820, 160335, 163389, 213780, 217852, 272315, 320670, 326778, 381241, 490167, 544630, 641340, 653556, 762482, 816945, 980334, 1089260, 1143723, 1524964, 1633890, 1906205, 1960668, 2287446, 2450835, 3267780, 3431169, 3812410, 4574892, 4901670, 5718615, 6862338, 7624820, 9803340, 11437230, 13724676, 17155845, 22874460, 34311690, 68623380]

約数ペア:

[(1, 68623380), (2, 34311690), (3, 22874460), (4, 17155845), (5, 13724676), (6, 11437230), (7, 9803340), (9, 7624820), (10, 6862338), (12, 5718615), (14, 4901670), (15, 4574892), (18, 3812410), (20, 3431169), (21, 3267780), (28, 2450835), (30, 2287446), (35, 1960668), (36, 1906205), (42, 1633890), (45, 1524964), (60, 1143723), (63, 1089260), (70, 980334), (84, 816945), (90, 762482), (105, 653556), (107, 641340), (126, 544630), (140, 490167), (180, 381241), (210, 326778), (214, 320670), (252, 272315), (315, 217852), (321, 213780), (420, 163389), (428, 160335), (509, 134820), (535, 128268), (630, 108926), (642, 106890), (749, 91620), (963, 71260), (1018, 67410), (1070, 64134), (1260, 54463), (1284, 53445), (1498, 45810), (1527, 44940), (1605, 42756), (1926, 35630), (2036, 33705), (2140, 32067), (2247, 30540), (2545, 26964), (2996, 22905), (3054, 22470), (3210, 21378), (3563, 19260), (3745, 18324), (3852, 17815), (4494, 15270), (4581, 14980), (4815, 14252), (5090, 13482), (6108, 11235), (6420, 10689), (6741, 10180), (7126, 9630), (7490, 9162), (7635, 8988)]