321681888

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 288

約数和(自身を含む): 1097984160

約数和(自身を除く): 776302272

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 27, 32, 33, 34, 36, 44, 48, 51, 54, 66, 68, 72, 88, 96, 99, 102, 108, 121, 132, 136, 144, 153, 176, 181, 187, 198, 204, 216, 242, 264, 272, 288, 297, 306, 352, 362, 363, 374, 396, 408, 432, 459, 484, 528, 543, 544, 561, 594, 612, 724, 726, 748, 792, 816, 864, 918, 968, 1056, 1086, 1089, 1122, 1188, 1224, 1448, 1452, 1496, 1584, 1629, 1632, 1683, 1836, 1936, 1991, 2057, 2172, 2178, 2244, 2376, 2448, 2896, 2904, 2992, 3077, 3168, 3258, 3267, 3366, 3672, 3872, 3982, 4114, 4344, 4356, 4488, 4752, 4887, 4896, 5049, 5792, 5808, 5973, 5984, 6154, 6171, 6516, 6534, 6732, 7344, 7964, 8228, 8688, 8712, 8976, 9231, 9504, 9774, 10098, 11616, 11946, 12308, 12342, 13032, 13068, 13464, 14688, 15928, 16456, 17376, 17424, 17919, 17952, 18462, 18513, 19548, 20196, 21901, 23892, 24616, 24684, 26064, 26136, 26928, 27693, 31856, 32912, 33847, 34848, 35838, 36924, 37026, 39096, 40392, 43802, 47784, 49232, 49368, 52128, 52272, 53757, 53856, 55386, 55539, 63712, 65703, 65824, 67694, 71676, 73848, 74052, 78192, 80784, 83079, 87604, 95568, 98464, 98736, 101541, 104544, 107514, 110772, 111078, 131406, 135388, 143352, 147696, 148104, 156384, 161568, 166158, 175208, 191136, 197109, 197472, 203082, 215028, 221544, 222156, 262812, 270776, 286704, 295392, 296208, 304623, 332316, 350416, 372317, 394218, 406164, 430056, 443088, 444312, 525624, 541552, 573408, 591327, 592416, 609246, 664632, 700832, 744634, 788436, 812328, 860112, 886176, 888624, 913869, 1051248, 1083104, 1116951, 1182654, 1218492, 1329264, 1489268, 1576872, 1624656, 1720224, 1777248, 1827738, 2102496, 2233902, 2365308, 2436984, 2658528, 2978536, 3153744, 3249312, 3350853, 3655476, 4467804, 4730616, 4873968, 5957072, 6307488, 6701706, 7310952, 8935608, 9461232, 9747936, 10052559, 11914144, 13403412, 14621904, 17871216, 18922464, 20105118, 26806824, 29243808, 35742432, 40210236, 53613648, 80420472, 107227296, 160840944, 321681888]

約数ペア:

[(1, 321681888), (2, 160840944), (3, 107227296), (4, 80420472), (6, 53613648), (8, 40210236), (9, 35742432), (11, 29243808), (12, 26806824), (16, 20105118), (17, 18922464), (18, 17871216), (22, 14621904), (24, 13403412), (27, 11914144), (32, 10052559), (33, 9747936), (34, 9461232), (36, 8935608), (44, 7310952), (48, 6701706), (51, 6307488), (54, 5957072), (66, 4873968), (68, 4730616), (72, 4467804), (88, 3655476), (96, 3350853), (99, 3249312), (102, 3153744), (108, 2978536), (121, 2658528), (132, 2436984), (136, 2365308), (144, 2233902), (153, 2102496), (176, 1827738), (181, 1777248), (187, 1720224), (198, 1624656), (204, 1576872), (216, 1489268), (242, 1329264), (264, 1218492), (272, 1182654), (288, 1116951), (297, 1083104), (306, 1051248), (352, 913869), (362, 888624), (363, 886176), (374, 860112), (396, 812328), (408, 788436), (432, 744634), (459, 700832), (484, 664632), (528, 609246), (543, 592416), (544, 591327), (561, 573408), (594, 541552), (612, 525624), (724, 444312), (726, 443088), (748, 430056), (792, 406164), (816, 394218), (864, 372317), (918, 350416), (968, 332316), (1056, 304623), (1086, 296208), (1089, 295392), (1122, 286704), (1188, 270776), (1224, 262812), (1448, 222156), (1452, 221544), (1496, 215028), (1584, 203082), (1629, 197472), (1632, 197109), (1683, 191136), (1836, 175208), (1936, 166158), (1991, 161568), (2057, 156384), (2172, 148104), (2178, 147696), (2244, 143352), (2376, 135388), (2448, 131406), (2896, 111078), (2904, 110772), (2992, 107514), (3077, 104544), (3168, 101541), (3258, 98736), (3267, 98464), (3366, 95568), (3672, 87604), (3872, 83079), (3982, 80784), (4114, 78192), (4344, 74052), (4356, 73848), (4488, 71676), (4752, 67694), (4887, 65824), (4896, 65703), (5049, 63712), (5792, 55539), (5808, 55386), (5973, 53856), (5984, 53757), (6154, 52272), (6171, 52128), (6516, 49368), (6534, 49232), (6732, 47784), (7344, 43802), (7964, 40392), (8228, 39096), (8688, 37026), (8712, 36924), (8976, 35838), (9231, 34848), (9504, 33847), (9774, 32912), (10098, 31856), (11616, 27693), (11946, 26928), (12308, 26136), (12342, 26064), (13032, 24684), (13068, 24616), (13464, 23892), (14688, 21901), (15928, 20196), (16456, 19548), (17376, 18513), (17424, 18462), (17919, 17952)]