13187240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 35925120

約数和(自身を除く): 22737880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 41, 43, 44, 55, 68, 82, 85, 86, 88, 110, 136, 164, 170, 172, 187, 205, 215, 220, 328, 340, 344, 374, 410, 430, 440, 451, 473, 680, 697, 731, 748, 820, 860, 902, 935, 946, 1394, 1462, 1496, 1640, 1720, 1763, 1804, 1870, 1892, 2255, 2365, 2788, 2924, 3485, 3526, 3608, 3655, 3740, 3784, 4510, 4730, 5576, 5848, 6970, 7052, 7310, 7480, 7667, 8041, 8815, 9020, 9460, 13940, 14104, 14620, 15334, 16082, 17630, 18040, 18920, 19393, 27880, 29240, 29971, 30668, 32164, 35260, 38335, 38786, 40205, 59942, 61336, 64328, 70520, 76670, 77572, 80410, 96965, 119884, 149855, 153340, 155144, 160820, 193930, 239768, 299710, 306680, 321640, 329681, 387860, 599420, 659362, 775720, 1198840, 1318724, 1648405, 2637448, 3296810, 6593620, 13187240]

約数ペア:

[(1, 13187240), (2, 6593620), (4, 3296810), (5, 2637448), (8, 1648405), (10, 1318724), (11, 1198840), (17, 775720), (20, 659362), (22, 599420), (34, 387860), (40, 329681), (41, 321640), (43, 306680), (44, 299710), (55, 239768), (68, 193930), (82, 160820), (85, 155144), (86, 153340), (88, 149855), (110, 119884), (136, 96965), (164, 80410), (170, 77572), (172, 76670), (187, 70520), (205, 64328), (215, 61336), (220, 59942), (328, 40205), (340, 38786), (344, 38335), (374, 35260), (410, 32164), (430, 30668), (440, 29971), (451, 29240), (473, 27880), (680, 19393), (697, 18920), (731, 18040), (748, 17630), (820, 16082), (860, 15334), (902, 14620), (935, 14104), (946, 13940), (1394, 9460), (1462, 9020), (1496, 8815), (1640, 8041), (1720, 7667), (1763, 7480), (1804, 7310), (1870, 7052), (1892, 6970), (2255, 5848), (2365, 5576), (2788, 4730), (2924, 4510), (3485, 3784), (3526, 3740), (3608, 3655)]