254411280

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:620

約数の個数: 240

約数和(自身を含む): 926190720

約数和(自身を除く): 671779440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 108, 115, 120, 135, 138, 144, 162, 180, 184, 207, 216, 230, 240, 243, 270, 276, 324, 345, 360, 368, 405, 414, 432, 460, 486, 540, 552, 569, 621, 648, 690, 720, 810, 828, 920, 972, 1035, 1080, 1104, 1138, 1215, 1242, 1296, 1380, 1620, 1656, 1707, 1840, 1863, 1944, 2070, 2160, 2276, 2430, 2484, 2760, 2845, 3105, 3240, 3312, 3414, 3726, 3888, 4140, 4552, 4860, 4968, 5121, 5520, 5589, 5690, 6210, 6480, 6828, 7452, 8280, 8535, 9104, 9315, 9720, 9936, 10242, 11178, 11380, 12420, 13087, 13656, 14904, 15363, 16560, 17070, 18630, 19440, 20484, 22356, 22760, 24840, 25605, 26174, 27312, 27945, 29808, 30726, 34140, 37260, 39261, 40968, 44712, 45520, 46089, 49680, 51210, 52348, 55890, 61452, 65435, 68280, 74520, 76815, 78522, 81936, 89424, 92178, 102420, 104696, 111780, 117783, 122904, 130870, 136560, 138267, 149040, 153630, 157044, 184356, 196305, 204840, 209392, 223560, 230445, 235566, 245808, 261740, 276534, 307260, 314088, 353349, 368712, 392610, 409680, 447120, 460890, 471132, 523480, 553068, 588915, 614520, 628176, 691335, 706698, 737424, 785220, 921780, 942264, 1046960, 1060047, 1106136, 1177830, 1229040, 1382670, 1413396, 1570440, 1766745, 1843560, 1884528, 2120094, 2212272, 2355660, 2765340, 2826792, 3140880, 3180141, 3533490, 3687120, 4240188, 4711320, 5300235, 5530680, 5653584, 6360282, 7066980, 8480376, 9422640, 10600470, 11061360, 12720564, 14133960, 15900705, 16960752, 21200940, 25441128, 28267920, 31801410, 42401880, 50882256, 63602820, 84803760, 127205640, 254411280]

約数ペア:

[(1, 254411280), (2, 127205640), (3, 84803760), (4, 63602820), (5, 50882256), (6, 42401880), (8, 31801410), (9, 28267920), (10, 25441128), (12, 21200940), (15, 16960752), (16, 15900705), (18, 14133960), (20, 12720564), (23, 11061360), (24, 10600470), (27, 9422640), (30, 8480376), (36, 7066980), (40, 6360282), (45, 5653584), (46, 5530680), (48, 5300235), (54, 4711320), (60, 4240188), (69, 3687120), (72, 3533490), (80, 3180141), (81, 3140880), (90, 2826792), (92, 2765340), (108, 2355660), (115, 2212272), (120, 2120094), (135, 1884528), (138, 1843560), (144, 1766745), (162, 1570440), (180, 1413396), (184, 1382670), (207, 1229040), (216, 1177830), (230, 1106136), (240, 1060047), (243, 1046960), (270, 942264), (276, 921780), (324, 785220), (345, 737424), (360, 706698), (368, 691335), (405, 628176), (414, 614520), (432, 588915), (460, 553068), (486, 523480), (540, 471132), (552, 460890), (569, 447120), (621, 409680), (648, 392610), (690, 368712), (720, 353349), (810, 314088), (828, 307260), (920, 276534), (972, 261740), (1035, 245808), (1080, 235566), (1104, 230445), (1138, 223560), (1215, 209392), (1242, 204840), (1296, 196305), (1380, 184356), (1620, 157044), (1656, 153630), (1707, 149040), (1840, 138267), (1863, 136560), (1944, 130870), (2070, 122904), (2160, 117783), (2276, 111780), (2430, 104696), (2484, 102420), (2760, 92178), (2845, 89424), (3105, 81936), (3240, 78522), (3312, 76815), (3414, 74520), (3726, 68280), (3888, 65435), (4140, 61452), (4552, 55890), (4860, 52348), (4968, 51210), (5121, 49680), (5520, 46089), (5589, 45520), (5690, 44712), (6210, 40968), (6480, 39261), (6828, 37260), (7452, 34140), (8280, 30726), (8535, 29808), (9104, 27945), (9315, 27312), (9720, 26174), (9936, 25605), (10242, 24840), (11178, 22760), (11380, 22356), (12420, 20484), (13087, 19440), (13656, 18630), (14904, 17070), (15363, 16560)]