1905451560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1093

約数の個数: 256

約数和(自身を含む): 6718464000

約数和(自身を除く): 4813012440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 79, 90, 92, 108, 115, 120, 135, 138, 158, 180, 184, 207, 216, 230, 237, 270, 276, 316, 345, 360, 395, 414, 460, 474, 540, 552, 621, 632, 690, 711, 790, 828, 920, 948, 971, 1035, 1080, 1185, 1242, 1380, 1422, 1580, 1656, 1817, 1896, 1942, 2070, 2133, 2370, 2484, 2760, 2844, 2913, 3105, 3160, 3555, 3634, 3884, 4140, 4266, 4740, 4855, 4968, 5451, 5688, 5826, 6210, 7110, 7268, 7768, 8280, 8532, 8739, 9085, 9480, 9710, 10665, 10902, 11652, 12420, 14220, 14536, 14565, 16353, 17064, 17478, 18170, 19420, 21330, 21804, 22333, 23304, 24840, 26217, 27255, 28440, 29130, 32706, 34956, 36340, 38840, 42660, 43608, 43695, 44666, 49059, 52434, 54510, 58260, 65412, 66999, 69912, 72680, 76709, 81765, 85320, 87390, 89332, 98118, 104868, 109020, 111665, 116520, 130824, 131085, 133998, 153418, 163530, 174780, 178664, 196236, 200997, 209736, 218040, 223330, 230127, 245295, 262170, 267996, 306836, 327060, 334995, 349560, 383545, 392472, 401994, 446660, 460254, 490590, 524340, 535992, 602991, 613672, 654120, 669990, 690381, 767090, 803988, 893320, 920508, 981180, 1004985, 1048680, 1150635, 1205982, 1339980, 1380762, 1534180, 1607976, 1764307, 1841016, 1962360, 2009970, 2071143, 2301270, 2411964, 2679960, 2761524, 3014955, 3068360, 3451905, 3528614, 4019940, 4142286, 4602540, 4823928, 5292921, 5523048, 6029910, 6903810, 7057228, 8039880, 8284572, 8821535, 9205080, 10355715, 10585842, 12059820, 13807620, 14114456, 15878763, 16569144, 17643070, 20711430, 21171684, 24119640, 26464605, 27615240, 31757526, 35286140, 41422860, 42343368, 47636289, 52929210, 63515052, 70572280, 79393815, 82845720, 95272578, 105858420, 127030104, 158787630, 190545156, 211716840, 238181445, 317575260, 381090312, 476362890, 635150520, 952725780, 1905451560]

約数ペア:

[(1, 1905451560), (2, 952725780), (3, 635150520), (4, 476362890), (5, 381090312), (6, 317575260), (8, 238181445), (9, 211716840), (10, 190545156), (12, 158787630), (15, 127030104), (18, 105858420), (20, 95272578), (23, 82845720), (24, 79393815), (27, 70572280), (30, 63515052), (36, 52929210), (40, 47636289), (45, 42343368), (46, 41422860), (54, 35286140), (60, 31757526), (69, 27615240), (72, 26464605), (79, 24119640), (90, 21171684), (92, 20711430), (108, 17643070), (115, 16569144), (120, 15878763), (135, 14114456), (138, 13807620), (158, 12059820), (180, 10585842), (184, 10355715), (207, 9205080), (216, 8821535), (230, 8284572), (237, 8039880), (270, 7057228), (276, 6903810), (316, 6029910), (345, 5523048), (360, 5292921), (395, 4823928), (414, 4602540), (460, 4142286), (474, 4019940), (540, 3528614), (552, 3451905), (621, 3068360), (632, 3014955), (690, 2761524), (711, 2679960), (790, 2411964), (828, 2301270), (920, 2071143), (948, 2009970), (971, 1962360), (1035, 1841016), (1080, 1764307), (1185, 1607976), (1242, 1534180), (1380, 1380762), (1422, 1339980), (1580, 1205982), (1656, 1150635), (1817, 1048680), (1896, 1004985), (1942, 981180), (2070, 920508), (2133, 893320), (2370, 803988), (2484, 767090), (2760, 690381), (2844, 669990), (2913, 654120), (3105, 613672), (3160, 602991), (3555, 535992), (3634, 524340), (3884, 490590), (4140, 460254), (4266, 446660), (4740, 401994), (4855, 392472), (4968, 383545), (5451, 349560), (5688, 334995), (5826, 327060), (6210, 306836), (7110, 267996), (7268, 262170), (7768, 245295), (8280, 230127), (8532, 223330), (8739, 218040), (9085, 209736), (9480, 200997), (9710, 196236), (10665, 178664), (10902, 174780), (11652, 163530), (12420, 153418), (14220, 133998), (14536, 131085), (14565, 130824), (16353, 116520), (17064, 111665), (17478, 109020), (18170, 104868), (19420, 98118), (21330, 89332), (21804, 87390), (22333, 85320), (23304, 81765), (24840, 76709), (26217, 72680), (27255, 69912), (28440, 66999), (29130, 65412), (32706, 58260), (34956, 54510), (36340, 52434), (38840, 49059), (42660, 44666), (43608, 43695)]