80871720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1367}}^1$

素因数の和:1427

約数の個数: 128

約数和(自身を含む): 265939200

約数和(自身を除く): 185067480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 29, 30, 34, 40, 51, 58, 60, 68, 85, 87, 102, 116, 120, 136, 145, 170, 174, 204, 232, 255, 290, 340, 348, 408, 435, 493, 510, 580, 680, 696, 870, 986, 1020, 1160, 1367, 1479, 1740, 1972, 2040, 2465, 2734, 2958, 3480, 3944, 4101, 4930, 5468, 5916, 6835, 7395, 8202, 9860, 10936, 11832, 13670, 14790, 16404, 19720, 20505, 23239, 27340, 29580, 32808, 39643, 41010, 46478, 54680, 59160, 69717, 79286, 82020, 92956, 116195, 118929, 139434, 158572, 164040, 185912, 198215, 232390, 237858, 278868, 317144, 348585, 396430, 464780, 475716, 557736, 594645, 673931, 697170, 792860, 929560, 951432, 1189290, 1347862, 1394340, 1585720, 2021793, 2378580, 2695724, 2788680, 3369655, 4043586, 4757160, 5391448, 6739310, 8087172, 10108965, 13478620, 16174344, 20217930, 26957240, 40435860, 80871720]

約数ペア:

[(1, 80871720), (2, 40435860), (3, 26957240), (4, 20217930), (5, 16174344), (6, 13478620), (8, 10108965), (10, 8087172), (12, 6739310), (15, 5391448), (17, 4757160), (20, 4043586), (24, 3369655), (29, 2788680), (30, 2695724), (34, 2378580), (40, 2021793), (51, 1585720), (58, 1394340), (60, 1347862), (68, 1189290), (85, 951432), (87, 929560), (102, 792860), (116, 697170), (120, 673931), (136, 594645), (145, 557736), (170, 475716), (174, 464780), (204, 396430), (232, 348585), (255, 317144), (290, 278868), (340, 237858), (348, 232390), (408, 198215), (435, 185912), (493, 164040), (510, 158572), (580, 139434), (680, 118929), (696, 116195), (870, 92956), (986, 82020), (1020, 79286), (1160, 69717), (1367, 59160), (1479, 54680), (1740, 46478), (1972, 41010), (2040, 39643), (2465, 32808), (2734, 29580), (2958, 27340), (3480, 23239), (3944, 20505), (4101, 19720), (4930, 16404), (5468, 14790), (5916, 13670), (6835, 11832), (7395, 10936), (8202, 9860)]