12551780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 30844800

約数和(自身を除く): 18293020

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 29, 34, 38, 58, 67, 68, 76, 85, 95, 116, 134, 145, 170, 190, 268, 290, 323, 335, 340, 380, 493, 551, 580, 646, 670, 986, 1102, 1139, 1273, 1292, 1340, 1615, 1943, 1972, 2204, 2278, 2465, 2546, 2755, 3230, 3886, 4556, 4930, 5092, 5510, 5695, 6365, 6460, 7772, 9367, 9715, 9860, 11020, 11390, 12730, 18734, 19430, 21641, 22780, 25460, 33031, 36917, 37468, 38860, 43282, 46835, 66062, 73834, 86564, 93670, 108205, 132124, 147668, 165155, 184585, 187340, 216410, 330310, 369170, 432820, 627589, 660620, 738340, 1255178, 2510356, 3137945, 6275890, 12551780]

約数ペア:

[(1, 12551780), (2, 6275890), (4, 3137945), (5, 2510356), (10, 1255178), (17, 738340), (19, 660620), (20, 627589), (29, 432820), (34, 369170), (38, 330310), (58, 216410), (67, 187340), (68, 184585), (76, 165155), (85, 147668), (95, 132124), (116, 108205), (134, 93670), (145, 86564), (170, 73834), (190, 66062), (268, 46835), (290, 43282), (323, 38860), (335, 37468), (340, 36917), (380, 33031), (493, 25460), (551, 22780), (580, 21641), (646, 19430), (670, 18734), (986, 12730), (1102, 11390), (1139, 11020), (1273, 9860), (1292, 9715), (1340, 9367), (1615, 7772), (1943, 6460), (1972, 6365), (2204, 5695), (2278, 5510), (2465, 5092), (2546, 4930), (2755, 4556), (3230, 3886)]