128498240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 224

約数和(自身を含む): 368686080

約数和(自身を除く): 240187840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 23, 26, 32, 34, 40, 46, 52, 64, 65, 68, 79, 80, 85, 92, 104, 115, 130, 136, 158, 160, 170, 184, 208, 221, 230, 260, 272, 299, 316, 320, 340, 368, 391, 395, 416, 442, 460, 520, 544, 598, 632, 680, 736, 782, 790, 832, 884, 920, 1027, 1040, 1088, 1105, 1196, 1264, 1343, 1360, 1472, 1495, 1564, 1580, 1768, 1817, 1840, 1955, 2054, 2080, 2210, 2392, 2528, 2686, 2720, 2990, 3128, 3160, 3536, 3634, 3680, 3910, 4108, 4160, 4420, 4784, 5056, 5083, 5135, 5372, 5440, 5980, 6256, 6320, 6715, 7072, 7268, 7360, 7820, 8216, 8840, 9085, 9568, 10166, 10270, 10744, 11960, 12512, 12640, 13430, 14144, 14536, 15640, 16432, 17459, 17680, 18170, 19136, 20332, 20540, 21488, 23621, 23920, 25024, 25280, 25415, 26860, 29072, 30889, 31280, 32864, 34918, 35360, 36340, 40664, 41080, 42976, 47242, 47840, 50830, 53720, 58144, 61778, 62560, 65728, 69836, 70720, 72680, 81328, 82160, 85952, 87295, 94484, 95680, 101660, 107440, 116288, 118105, 123556, 125120, 139672, 145360, 154445, 162656, 164320, 174590, 188968, 203320, 214880, 236210, 247112, 279344, 290720, 308890, 325312, 328640, 349180, 377936, 401557, 406640, 429760, 472420, 494224, 558688, 581440, 617780, 698360, 755872, 803114, 813280, 944840, 988448, 1117376, 1235560, 1396720, 1511744, 1606228, 1626560, 1889680, 1976896, 2007785, 2471120, 2793440, 3212456, 3779360, 4015570, 4942240, 5586880, 6424912, 7558720, 8031140, 9884480, 12849824, 16062280, 25699648, 32124560, 64249120, 128498240]

約数ペア:

[(1, 128498240), (2, 64249120), (4, 32124560), (5, 25699648), (8, 16062280), (10, 12849824), (13, 9884480), (16, 8031140), (17, 7558720), (20, 6424912), (23, 5586880), (26, 4942240), (32, 4015570), (34, 3779360), (40, 3212456), (46, 2793440), (52, 2471120), (64, 2007785), (65, 1976896), (68, 1889680), (79, 1626560), (80, 1606228), (85, 1511744), (92, 1396720), (104, 1235560), (115, 1117376), (130, 988448), (136, 944840), (158, 813280), (160, 803114), (170, 755872), (184, 698360), (208, 617780), (221, 581440), (230, 558688), (260, 494224), (272, 472420), (299, 429760), (316, 406640), (320, 401557), (340, 377936), (368, 349180), (391, 328640), (395, 325312), (416, 308890), (442, 290720), (460, 279344), (520, 247112), (544, 236210), (598, 214880), (632, 203320), (680, 188968), (736, 174590), (782, 164320), (790, 162656), (832, 154445), (884, 145360), (920, 139672), (1027, 125120), (1040, 123556), (1088, 118105), (1105, 116288), (1196, 107440), (1264, 101660), (1343, 95680), (1360, 94484), (1472, 87295), (1495, 85952), (1564, 82160), (1580, 81328), (1768, 72680), (1817, 70720), (1840, 69836), (1955, 65728), (2054, 62560), (2080, 61778), (2210, 58144), (2392, 53720), (2528, 50830), (2686, 47840), (2720, 47242), (2990, 42976), (3128, 41080), (3160, 40664), (3536, 36340), (3634, 35360), (3680, 34918), (3910, 32864), (4108, 31280), (4160, 30889), (4420, 29072), (4784, 26860), (5056, 25415), (5083, 25280), (5135, 25024), (5372, 23920), (5440, 23621), (5980, 21488), (6256, 20540), (6320, 20332), (6715, 19136), (7072, 18170), (7268, 17680), (7360, 17459), (7820, 16432), (8216, 15640), (8840, 14536), (9085, 14144), (9568, 13430), (10166, 12640), (10270, 12512), (10744, 11960)]