1329121280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 192

約数和(自身を含む): 3396556800

約数和(自身を除く): 2067435520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 79, 80, 106, 124, 128, 155, 158, 160, 212, 248, 256, 265, 310, 316, 320, 395, 424, 496, 512, 530, 620, 632, 640, 790, 848, 992, 1024, 1060, 1240, 1264, 1280, 1580, 1643, 1696, 1984, 2048, 2120, 2449, 2480, 2528, 2560, 3160, 3286, 3392, 3968, 4187, 4240, 4898, 4960, 5056, 5120, 6320, 6572, 6784, 7936, 8215, 8374, 8480, 9796, 9920, 10112, 10240, 12245, 12640, 13144, 13568, 15872, 16430, 16748, 16960, 19592, 19840, 20224, 20935, 24490, 25280, 26288, 27136, 31744, 32860, 33496, 33920, 39184, 39680, 40448, 41870, 48980, 50560, 52576, 54272, 63488, 65720, 66992, 67840, 78368, 79360, 80896, 83740, 97960, 101120, 105152, 108544, 129797, 131440, 133984, 135680, 156736, 158720, 161792, 167480, 195920, 202240, 210304, 259594, 262880, 267968, 271360, 313472, 317440, 334960, 391840, 404480, 420608, 519188, 525760, 535936, 542720, 626944, 648985, 669920, 783680, 808960, 841216, 1038376, 1051520, 1071872, 1253888, 1297970, 1339840, 1567360, 1682432, 2076752, 2103040, 2143744, 2507776, 2595940, 2679680, 3134720, 3364864, 4153504, 4206080, 4287488, 5015552, 5191880, 5359360, 6269440, 8307008, 8412160, 8574976, 10383760, 10718720, 12538880, 16614016, 16824320, 20767520, 21437440, 25077760, 33228032, 41535040, 42874880, 66456064, 83070080, 132912128, 166140160, 265824256, 332280320, 664560640, 1329121280]

約数ペア:

[(1, 1329121280), (2, 664560640), (4, 332280320), (5, 265824256), (8, 166140160), (10, 132912128), (16, 83070080), (20, 66456064), (31, 42874880), (32, 41535040), (40, 33228032), (53, 25077760), (62, 21437440), (64, 20767520), (79, 16824320), (80, 16614016), (106, 12538880), (124, 10718720), (128, 10383760), (155, 8574976), (158, 8412160), (160, 8307008), (212, 6269440), (248, 5359360), (256, 5191880), (265, 5015552), (310, 4287488), (316, 4206080), (320, 4153504), (395, 3364864), (424, 3134720), (496, 2679680), (512, 2595940), (530, 2507776), (620, 2143744), (632, 2103040), (640, 2076752), (790, 1682432), (848, 1567360), (992, 1339840), (1024, 1297970), (1060, 1253888), (1240, 1071872), (1264, 1051520), (1280, 1038376), (1580, 841216), (1643, 808960), (1696, 783680), (1984, 669920), (2048, 648985), (2120, 626944), (2449, 542720), (2480, 535936), (2528, 525760), (2560, 519188), (3160, 420608), (3286, 404480), (3392, 391840), (3968, 334960), (4187, 317440), (4240, 313472), (4898, 271360), (4960, 267968), (5056, 262880), (5120, 259594), (6320, 210304), (6572, 202240), (6784, 195920), (7936, 167480), (8215, 161792), (8374, 158720), (8480, 156736), (9796, 135680), (9920, 133984), (10112, 131440), (10240, 129797), (12245, 108544), (12640, 105152), (13144, 101120), (13568, 97960), (15872, 83740), (16430, 80896), (16748, 79360), (16960, 78368), (19592, 67840), (19840, 66992), (20224, 65720), (20935, 63488), (24490, 54272), (25280, 52576), (26288, 50560), (27136, 48980), (31744, 41870), (32860, 40448), (33496, 39680), (33920, 39184)]