42849920

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 111041280

約数和(自身を除く): 68191360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 46, 64, 71, 80, 82, 92, 115, 128, 142, 160, 164, 184, 205, 230, 284, 320, 328, 355, 368, 410, 460, 568, 640, 656, 710, 736, 820, 920, 943, 1136, 1312, 1420, 1472, 1633, 1640, 1840, 1886, 2272, 2624, 2840, 2911, 2944, 3266, 3280, 3680, 3772, 4544, 4715, 5248, 5680, 5822, 6532, 6560, 7360, 7544, 8165, 9088, 9430, 11360, 11644, 13064, 13120, 14555, 14720, 15088, 16330, 18860, 22720, 23288, 26128, 26240, 29110, 30176, 32660, 37720, 45440, 46576, 52256, 58220, 60352, 65320, 66953, 75440, 93152, 104512, 116440, 120704, 130640, 133906, 150880, 186304, 209024, 232880, 261280, 267812, 301760, 334765, 372608, 465760, 522560, 535624, 603520, 669530, 931520, 1045120, 1071248, 1339060, 1863040, 2142496, 2678120, 4284992, 5356240, 8569984, 10712480, 21424960, 42849920]

約数ペア:

[(1, 42849920), (2, 21424960), (4, 10712480), (5, 8569984), (8, 5356240), (10, 4284992), (16, 2678120), (20, 2142496), (23, 1863040), (32, 1339060), (40, 1071248), (41, 1045120), (46, 931520), (64, 669530), (71, 603520), (80, 535624), (82, 522560), (92, 465760), (115, 372608), (128, 334765), (142, 301760), (160, 267812), (164, 261280), (184, 232880), (205, 209024), (230, 186304), (284, 150880), (320, 133906), (328, 130640), (355, 120704), (368, 116440), (410, 104512), (460, 93152), (568, 75440), (640, 66953), (656, 65320), (710, 60352), (736, 58220), (820, 52256), (920, 46576), (943, 45440), (1136, 37720), (1312, 32660), (1420, 30176), (1472, 29110), (1633, 26240), (1640, 26128), (1840, 23288), (1886, 22720), (2272, 18860), (2624, 16330), (2840, 15088), (2911, 14720), (2944, 14555), (3266, 13120), (3280, 13064), (3680, 11644), (3772, 11360), (4544, 9430), (4715, 9088), (5248, 8165), (5680, 7544), (5822, 7360), (6532, 6560)]