67817080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 176904000

約数和(自身を除く): 109086920

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 29, 34, 38, 40, 58, 68, 76, 85, 95, 116, 136, 145, 152, 170, 181, 190, 232, 290, 323, 340, 362, 380, 493, 551, 580, 646, 680, 724, 760, 905, 986, 1102, 1160, 1292, 1448, 1615, 1810, 1972, 2204, 2465, 2584, 2755, 3077, 3230, 3439, 3620, 3944, 4408, 4930, 5249, 5510, 6154, 6460, 6878, 7240, 9367, 9860, 10498, 11020, 12308, 12920, 13756, 15385, 17195, 18734, 19720, 20996, 22040, 24616, 26245, 27512, 30770, 34390, 37468, 41992, 46835, 52490, 58463, 61540, 68780, 74936, 89233, 93670, 99731, 104980, 116926, 123080, 137560, 178466, 187340, 199462, 209960, 233852, 292315, 356932, 374680, 398924, 446165, 467704, 498655, 584630, 713864, 797848, 892330, 997310, 1169260, 1695427, 1784660, 1994620, 2338520, 3390854, 3569320, 3989240, 6781708, 8477135, 13563416, 16954270, 33908540, 67817080]

約数ペア:

[(1, 67817080), (2, 33908540), (4, 16954270), (5, 13563416), (8, 8477135), (10, 6781708), (17, 3989240), (19, 3569320), (20, 3390854), (29, 2338520), (34, 1994620), (38, 1784660), (40, 1695427), (58, 1169260), (68, 997310), (76, 892330), (85, 797848), (95, 713864), (116, 584630), (136, 498655), (145, 467704), (152, 446165), (170, 398924), (181, 374680), (190, 356932), (232, 292315), (290, 233852), (323, 209960), (340, 199462), (362, 187340), (380, 178466), (493, 137560), (551, 123080), (580, 116926), (646, 104980), (680, 99731), (724, 93670), (760, 89233), (905, 74936), (986, 68780), (1102, 61540), (1160, 58463), (1292, 52490), (1448, 46835), (1615, 41992), (1810, 37468), (1972, 34390), (2204, 30770), (2465, 27512), (2584, 26245), (2755, 24616), (3077, 22040), (3230, 20996), (3439, 19720), (3620, 18734), (3944, 17195), (4408, 15385), (4930, 13756), (5249, 12920), (5510, 12308), (6154, 11020), (6460, 10498), (6878, 9860), (7240, 9367)]