26991240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 87246720

約数和(自身を除く): 60255480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 101, 102, 120, 131, 136, 170, 202, 204, 255, 262, 303, 340, 393, 404, 408, 505, 510, 524, 606, 655, 680, 786, 808, 1010, 1020, 1048, 1212, 1310, 1515, 1572, 1717, 1965, 2020, 2040, 2227, 2424, 2620, 3030, 3144, 3434, 3930, 4040, 4454, 5151, 5240, 6060, 6681, 6868, 7860, 8585, 8908, 10302, 11135, 12120, 13231, 13362, 13736, 15720, 17170, 17816, 20604, 22270, 25755, 26462, 26724, 33405, 34340, 39693, 41208, 44540, 51510, 52924, 53448, 66155, 66810, 68680, 79386, 89080, 103020, 105848, 132310, 133620, 158772, 198465, 206040, 224927, 264620, 267240, 317544, 396930, 449854, 529240, 674781, 793860, 899708, 1124635, 1349562, 1587720, 1799416, 2249270, 2699124, 3373905, 4498540, 5398248, 6747810, 8997080, 13495620, 26991240]

約数ペア:

[(1, 26991240), (2, 13495620), (3, 8997080), (4, 6747810), (5, 5398248), (6, 4498540), (8, 3373905), (10, 2699124), (12, 2249270), (15, 1799416), (17, 1587720), (20, 1349562), (24, 1124635), (30, 899708), (34, 793860), (40, 674781), (51, 529240), (60, 449854), (68, 396930), (85, 317544), (101, 267240), (102, 264620), (120, 224927), (131, 206040), (136, 198465), (170, 158772), (202, 133620), (204, 132310), (255, 105848), (262, 103020), (303, 89080), (340, 79386), (393, 68680), (404, 66810), (408, 66155), (505, 53448), (510, 52924), (524, 51510), (606, 44540), (655, 41208), (680, 39693), (786, 34340), (808, 33405), (1010, 26724), (1020, 26462), (1048, 25755), (1212, 22270), (1310, 20604), (1515, 17816), (1572, 17170), (1717, 15720), (1965, 13736), (2020, 13362), (2040, 13231), (2227, 12120), (2424, 11135), (2620, 10302), (3030, 8908), (3144, 8585), (3434, 7860), (3930, 6868), (4040, 6681), (4454, 6060), (5151, 5240)]