256690560

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:369

約数の個数: 256

約数和(自身を含む): 951782400

約数和(自身を除く): 695091840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 71, 80, 84, 96, 105, 112, 120, 128, 140, 142, 160, 168, 192, 210, 213, 224, 240, 269, 280, 284, 320, 336, 355, 384, 420, 426, 448, 480, 497, 538, 560, 568, 640, 672, 710, 807, 840, 852, 896, 960, 994, 1065, 1076, 1120, 1136, 1344, 1345, 1420, 1491, 1614, 1680, 1704, 1883, 1920, 1988, 2130, 2152, 2240, 2272, 2485, 2688, 2690, 2840, 2982, 3228, 3360, 3408, 3766, 3976, 4035, 4260, 4304, 4480, 4544, 4970, 5380, 5649, 5680, 5964, 6456, 6720, 6816, 7455, 7532, 7952, 8070, 8520, 8608, 9088, 9415, 9940, 10760, 11298, 11360, 11928, 12912, 13440, 13632, 14910, 15064, 15904, 16140, 17040, 17216, 18830, 19099, 19880, 21520, 22596, 22720, 23856, 25824, 27264, 28245, 29820, 30128, 31808, 32280, 34080, 34432, 37660, 38198, 39760, 43040, 45192, 45440, 47712, 51648, 56490, 57297, 59640, 60256, 63616, 64560, 68160, 75320, 76396, 79520, 86080, 90384, 95424, 95495, 103296, 112980, 114594, 119280, 120512, 129120, 133693, 136320, 150640, 152792, 159040, 172160, 180768, 190848, 190990, 225960, 229188, 238560, 241024, 258240, 267386, 286485, 301280, 305584, 318080, 361536, 381980, 401079, 451920, 458376, 477120, 516480, 534772, 572970, 602560, 611168, 668465, 723072, 763960, 802158, 903840, 916752, 954240, 1069544, 1145940, 1205120, 1222336, 1336930, 1527920, 1604316, 1807680, 1833504, 2005395, 2139088, 2291880, 2444672, 2673860, 3055840, 3208632, 3615360, 3667008, 4010790, 4278176, 4583760, 5347720, 6111680, 6417264, 7334016, 8021580, 8556352, 9167520, 10695440, 12223360, 12834528, 16043160, 17112704, 18335040, 21390880, 25669056, 32086320, 36670080, 42781760, 51338112, 64172640, 85563520, 128345280, 256690560]

約数ペア:

[(1, 256690560), (2, 128345280), (3, 85563520), (4, 64172640), (5, 51338112), (6, 42781760), (7, 36670080), (8, 32086320), (10, 25669056), (12, 21390880), (14, 18335040), (15, 17112704), (16, 16043160), (20, 12834528), (21, 12223360), (24, 10695440), (28, 9167520), (30, 8556352), (32, 8021580), (35, 7334016), (40, 6417264), (42, 6111680), (48, 5347720), (56, 4583760), (60, 4278176), (64, 4010790), (70, 3667008), (71, 3615360), (80, 3208632), (84, 3055840), (96, 2673860), (105, 2444672), (112, 2291880), (120, 2139088), (128, 2005395), (140, 1833504), (142, 1807680), (160, 1604316), (168, 1527920), (192, 1336930), (210, 1222336), (213, 1205120), (224, 1145940), (240, 1069544), (269, 954240), (280, 916752), (284, 903840), (320, 802158), (336, 763960), (355, 723072), (384, 668465), (420, 611168), (426, 602560), (448, 572970), (480, 534772), (497, 516480), (538, 477120), (560, 458376), (568, 451920), (640, 401079), (672, 381980), (710, 361536), (807, 318080), (840, 305584), (852, 301280), (896, 286485), (960, 267386), (994, 258240), (1065, 241024), (1076, 238560), (1120, 229188), (1136, 225960), (1344, 190990), (1345, 190848), (1420, 180768), (1491, 172160), (1614, 159040), (1680, 152792), (1704, 150640), (1883, 136320), (1920, 133693), (1988, 129120), (2130, 120512), (2152, 119280), (2240, 114594), (2272, 112980), (2485, 103296), (2688, 95495), (2690, 95424), (2840, 90384), (2982, 86080), (3228, 79520), (3360, 76396), (3408, 75320), (3766, 68160), (3976, 64560), (4035, 63616), (4260, 60256), (4304, 59640), (4480, 57297), (4544, 56490), (4970, 51648), (5380, 47712), (5649, 45440), (5680, 45192), (5964, 43040), (6456, 39760), (6720, 38198), (6816, 37660), (7455, 34432), (7532, 34080), (7952, 32280), (8070, 31808), (8520, 30128), (8608, 29820), (9088, 28245), (9415, 27264), (9940, 25824), (10760, 23856), (11298, 22720), (11360, 22596), (11928, 21520), (12912, 19880), (13440, 19099), (13632, 18830), (14910, 17216), (15064, 17040), (15904, 16140)]