16111240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 42768000

約数和(自身を除く): 26656760

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 29, 34, 38, 40, 43, 58, 68, 76, 85, 86, 95, 116, 136, 145, 152, 170, 172, 190, 215, 232, 290, 323, 340, 344, 380, 430, 493, 551, 580, 646, 680, 731, 760, 817, 860, 986, 1102, 1160, 1247, 1292, 1462, 1615, 1634, 1720, 1972, 2204, 2465, 2494, 2584, 2755, 2924, 3230, 3268, 3655, 3944, 4085, 4408, 4930, 4988, 5510, 5848, 6235, 6460, 6536, 7310, 8170, 9367, 9860, 9976, 11020, 12470, 12920, 13889, 14620, 16340, 18734, 19720, 21199, 22040, 23693, 24940, 27778, 29240, 32680, 37468, 42398, 46835, 47386, 49880, 55556, 69445, 74936, 84796, 93670, 94772, 105995, 111112, 118465, 138890, 169592, 187340, 189544, 211990, 236930, 277780, 374680, 402781, 423980, 473860, 555560, 805562, 847960, 947720, 1611124, 2013905, 3222248, 4027810, 8055620, 16111240]

約数ペア:

[(1, 16111240), (2, 8055620), (4, 4027810), (5, 3222248), (8, 2013905), (10, 1611124), (17, 947720), (19, 847960), (20, 805562), (29, 555560), (34, 473860), (38, 423980), (40, 402781), (43, 374680), (58, 277780), (68, 236930), (76, 211990), (85, 189544), (86, 187340), (95, 169592), (116, 138890), (136, 118465), (145, 111112), (152, 105995), (170, 94772), (172, 93670), (190, 84796), (215, 74936), (232, 69445), (290, 55556), (323, 49880), (340, 47386), (344, 46835), (380, 42398), (430, 37468), (493, 32680), (551, 29240), (580, 27778), (646, 24940), (680, 23693), (731, 22040), (760, 21199), (817, 19720), (860, 18734), (986, 16340), (1102, 14620), (1160, 13889), (1247, 12920), (1292, 12470), (1462, 11020), (1615, 9976), (1634, 9860), (1720, 9367), (1972, 8170), (2204, 7310), (2465, 6536), (2494, 6460), (2584, 6235), (2755, 5848), (2924, 5510), (3230, 4988), (3268, 4930), (3655, 4408), (3944, 4085)]