258251840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 224

約数和(自身を含む): 786530304

約数和(自身を除く): 528278464

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 47, 55, 56, 64, 70, 77, 80, 88, 94, 110, 112, 140, 154, 160, 176, 188, 220, 223, 224, 235, 280, 308, 320, 329, 352, 376, 385, 440, 446, 448, 470, 517, 560, 616, 658, 704, 752, 770, 880, 892, 940, 1034, 1115, 1120, 1232, 1316, 1504, 1540, 1561, 1645, 1760, 1784, 1880, 2068, 2230, 2240, 2453, 2464, 2585, 2632, 3008, 3080, 3122, 3290, 3520, 3568, 3619, 3760, 4136, 4460, 4906, 4928, 5170, 5264, 6160, 6244, 6580, 7136, 7238, 7520, 7805, 8272, 8920, 9812, 10340, 10481, 10528, 12265, 12320, 12488, 13160, 14272, 14476, 15040, 15610, 16544, 17171, 17840, 18095, 19624, 20680, 20962, 21056, 24530, 24640, 24976, 26320, 28952, 31220, 33088, 34342, 35680, 36190, 39248, 41360, 41924, 49060, 49952, 52405, 52640, 57904, 62440, 68684, 71360, 72380, 73367, 78496, 82720, 83848, 85855, 98120, 99904, 104810, 105280, 115291, 115808, 124880, 137368, 144760, 146734, 156992, 165440, 167696, 171710, 196240, 209620, 230582, 231616, 249760, 274736, 289520, 293468, 335392, 343420, 366835, 392480, 419240, 461164, 499520, 549472, 576455, 579040, 586936, 670784, 686840, 733670, 784960, 807037, 838480, 922328, 1098944, 1152910, 1158080, 1173872, 1373680, 1467340, 1614074, 1676960, 1844656, 2305820, 2347744, 2747360, 2934680, 3228148, 3353920, 3689312, 4035185, 4611640, 4695488, 5494720, 5869360, 6456296, 7378624, 8070370, 9223280, 11738720, 12912592, 16140740, 18446560, 23477440, 25825184, 32281480, 36893120, 51650368, 64562960, 129125920, 258251840]

約数ペア:

[(1, 258251840), (2, 129125920), (4, 64562960), (5, 51650368), (7, 36893120), (8, 32281480), (10, 25825184), (11, 23477440), (14, 18446560), (16, 16140740), (20, 12912592), (22, 11738720), (28, 9223280), (32, 8070370), (35, 7378624), (40, 6456296), (44, 5869360), (47, 5494720), (55, 4695488), (56, 4611640), (64, 4035185), (70, 3689312), (77, 3353920), (80, 3228148), (88, 2934680), (94, 2747360), (110, 2347744), (112, 2305820), (140, 1844656), (154, 1676960), (160, 1614074), (176, 1467340), (188, 1373680), (220, 1173872), (223, 1158080), (224, 1152910), (235, 1098944), (280, 922328), (308, 838480), (320, 807037), (329, 784960), (352, 733670), (376, 686840), (385, 670784), (440, 586936), (446, 579040), (448, 576455), (470, 549472), (517, 499520), (560, 461164), (616, 419240), (658, 392480), (704, 366835), (752, 343420), (770, 335392), (880, 293468), (892, 289520), (940, 274736), (1034, 249760), (1115, 231616), (1120, 230582), (1232, 209620), (1316, 196240), (1504, 171710), (1540, 167696), (1561, 165440), (1645, 156992), (1760, 146734), (1784, 144760), (1880, 137368), (2068, 124880), (2230, 115808), (2240, 115291), (2453, 105280), (2464, 104810), (2585, 99904), (2632, 98120), (3008, 85855), (3080, 83848), (3122, 82720), (3290, 78496), (3520, 73367), (3568, 72380), (3619, 71360), (3760, 68684), (4136, 62440), (4460, 57904), (4906, 52640), (4928, 52405), (5170, 49952), (5264, 49060), (6160, 41924), (6244, 41360), (6580, 39248), (7136, 36190), (7238, 35680), (7520, 34342), (7805, 33088), (8272, 31220), (8920, 28952), (9812, 26320), (10340, 24976), (10481, 24640), (10528, 24530), (12265, 21056), (12320, 20962), (12488, 20680), (13160, 19624), (14272, 18095), (14476, 17840), (15040, 17171), (15610, 16544)]