255328320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:573

約数の個数: 224

約数和(自身を含む): 896112000

約数和(自身を除く): 640783680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 41, 48, 52, 60, 64, 65, 78, 80, 82, 96, 104, 120, 123, 130, 156, 160, 164, 192, 195, 205, 208, 240, 246, 260, 312, 320, 328, 390, 410, 416, 480, 492, 499, 520, 533, 615, 624, 656, 780, 820, 832, 960, 984, 998, 1040, 1066, 1230, 1248, 1312, 1497, 1560, 1599, 1640, 1968, 1996, 2080, 2132, 2460, 2495, 2496, 2624, 2665, 2994, 3120, 3198, 3280, 3936, 3992, 4160, 4264, 4920, 4990, 5330, 5988, 6240, 6396, 6487, 6560, 7485, 7872, 7984, 7995, 8528, 9840, 9980, 10660, 11976, 12480, 12792, 12974, 13120, 14970, 15968, 15990, 17056, 19461, 19680, 19960, 20459, 21320, 23952, 25584, 25948, 29940, 31936, 31980, 32435, 34112, 38922, 39360, 39920, 40918, 42640, 47904, 51168, 51896, 59880, 61377, 63960, 64870, 77844, 79840, 81836, 85280, 95808, 97305, 102295, 102336, 103792, 119760, 122754, 127920, 129740, 155688, 159680, 163672, 170560, 194610, 204590, 207584, 239520, 245508, 255840, 259480, 265967, 306885, 311376, 327344, 389220, 409180, 415168, 479040, 491016, 511680, 518960, 531934, 613770, 622752, 654688, 778440, 797901, 818360, 982032, 1037920, 1063868, 1227540, 1245504, 1309376, 1329835, 1556880, 1595802, 1636720, 1964064, 2075840, 2127736, 2455080, 2659670, 3113760, 3191604, 3273440, 3928128, 3989505, 4255472, 4910160, 5319340, 6227520, 6383208, 6546880, 7979010, 8510944, 9820320, 10638680, 12766416, 15958020, 17021888, 19640640, 21277360, 25532832, 31916040, 42554720, 51065664, 63832080, 85109440, 127664160, 255328320]

約数ペア:

[(1, 255328320), (2, 127664160), (3, 85109440), (4, 63832080), (5, 51065664), (6, 42554720), (8, 31916040), (10, 25532832), (12, 21277360), (13, 19640640), (15, 17021888), (16, 15958020), (20, 12766416), (24, 10638680), (26, 9820320), (30, 8510944), (32, 7979010), (39, 6546880), (40, 6383208), (41, 6227520), (48, 5319340), (52, 4910160), (60, 4255472), (64, 3989505), (65, 3928128), (78, 3273440), (80, 3191604), (82, 3113760), (96, 2659670), (104, 2455080), (120, 2127736), (123, 2075840), (130, 1964064), (156, 1636720), (160, 1595802), (164, 1556880), (192, 1329835), (195, 1309376), (205, 1245504), (208, 1227540), (240, 1063868), (246, 1037920), (260, 982032), (312, 818360), (320, 797901), (328, 778440), (390, 654688), (410, 622752), (416, 613770), (480, 531934), (492, 518960), (499, 511680), (520, 491016), (533, 479040), (615, 415168), (624, 409180), (656, 389220), (780, 327344), (820, 311376), (832, 306885), (960, 265967), (984, 259480), (998, 255840), (1040, 245508), (1066, 239520), (1230, 207584), (1248, 204590), (1312, 194610), (1497, 170560), (1560, 163672), (1599, 159680), (1640, 155688), (1968, 129740), (1996, 127920), (2080, 122754), (2132, 119760), (2460, 103792), (2495, 102336), (2496, 102295), (2624, 97305), (2665, 95808), (2994, 85280), (3120, 81836), (3198, 79840), (3280, 77844), (3936, 64870), (3992, 63960), (4160, 61377), (4264, 59880), (4920, 51896), (4990, 51168), (5330, 47904), (5988, 42640), (6240, 40918), (6396, 39920), (6487, 39360), (6560, 38922), (7485, 34112), (7872, 32435), (7984, 31980), (7995, 31936), (8528, 29940), (9840, 25948), (9980, 25584), (10660, 23952), (11976, 21320), (12480, 20459), (12792, 19960), (12974, 19680), (13120, 19461), (14970, 17056), (15968, 15990)]