15657680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 39975120

約数和(自身を除く): 24317440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 397, 464, 493, 580, 680, 794, 986, 1160, 1360, 1588, 1972, 1985, 2320, 2465, 3176, 3944, 3970, 4930, 6352, 6749, 7888, 7940, 9860, 11513, 13498, 15880, 19720, 23026, 26996, 31760, 33745, 39440, 46052, 53992, 57565, 67490, 92104, 107984, 115130, 134980, 184208, 195721, 230260, 269960, 391442, 460520, 539920, 782884, 921040, 978605, 1565768, 1957210, 3131536, 3914420, 7828840, 15657680]

約数ペア:

[(1, 15657680), (2, 7828840), (4, 3914420), (5, 3131536), (8, 1957210), (10, 1565768), (16, 978605), (17, 921040), (20, 782884), (29, 539920), (34, 460520), (40, 391442), (58, 269960), (68, 230260), (80, 195721), (85, 184208), (116, 134980), (136, 115130), (145, 107984), (170, 92104), (232, 67490), (272, 57565), (290, 53992), (340, 46052), (397, 39440), (464, 33745), (493, 31760), (580, 26996), (680, 23026), (794, 19720), (986, 15880), (1160, 13498), (1360, 11513), (1588, 9860), (1972, 7940), (1985, 7888), (2320, 6749), (2465, 6352), (3176, 4930), (3944, 3970)]