1336641280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:251

約数の個数: 216

約数和(自身を含む): 3581921952

約数和(自身を除く): 2245280672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 167, 169, 185, 208, 256, 260, 296, 320, 334, 338, 370, 416, 481, 520, 592, 640, 668, 676, 740, 832, 835, 845, 962, 1040, 1184, 1280, 1336, 1352, 1480, 1664, 1670, 1690, 1924, 2080, 2171, 2368, 2405, 2672, 2704, 2960, 3328, 3340, 3380, 3848, 4160, 4342, 4736, 4810, 5344, 5408, 5920, 6179, 6253, 6680, 6760, 7696, 8320, 8684, 9472, 9620, 10688, 10816, 10855, 11840, 12358, 12506, 13360, 13520, 15392, 16640, 17368, 19240, 21376, 21632, 21710, 23680, 24716, 25012, 26720, 27040, 28223, 30784, 30895, 31265, 34736, 38480, 42752, 43264, 43420, 47360, 49432, 50024, 53440, 54080, 56446, 61568, 61790, 62530, 69472, 76960, 80327, 86840, 98864, 100048, 106880, 108160, 112892, 123136, 123580, 125060, 138944, 141115, 153920, 160654, 173680, 197728, 200096, 213760, 216320, 225784, 247160, 250120, 277888, 282230, 307840, 321308, 347360, 395456, 400192, 401635, 451568, 494320, 500240, 555776, 564460, 615680, 642616, 694720, 790912, 800384, 803270, 903136, 988640, 1000480, 1044251, 1128920, 1285232, 1389440, 1581824, 1600768, 1606540, 1806272, 1977280, 2000960, 2088502, 2257840, 2570464, 2778880, 3213080, 3612544, 3954560, 4001920, 4177004, 4515680, 5140928, 5221255, 6426160, 7225088, 7909120, 8003840, 8354008, 9031360, 10281856, 10442510, 12852320, 16708016, 18062720, 20563712, 20885020, 25704640, 33416032, 36125440, 41770040, 51409280, 66832064, 83540080, 102818560, 133664128, 167080160, 267328256, 334160320, 668320640, 1336641280]

約数ペア:

[(1, 1336641280), (2, 668320640), (4, 334160320), (5, 267328256), (8, 167080160), (10, 133664128), (13, 102818560), (16, 83540080), (20, 66832064), (26, 51409280), (32, 41770040), (37, 36125440), (40, 33416032), (52, 25704640), (64, 20885020), (65, 20563712), (74, 18062720), (80, 16708016), (104, 12852320), (128, 10442510), (130, 10281856), (148, 9031360), (160, 8354008), (167, 8003840), (169, 7909120), (185, 7225088), (208, 6426160), (256, 5221255), (260, 5140928), (296, 4515680), (320, 4177004), (334, 4001920), (338, 3954560), (370, 3612544), (416, 3213080), (481, 2778880), (520, 2570464), (592, 2257840), (640, 2088502), (668, 2000960), (676, 1977280), (740, 1806272), (832, 1606540), (835, 1600768), (845, 1581824), (962, 1389440), (1040, 1285232), (1184, 1128920), (1280, 1044251), (1336, 1000480), (1352, 988640), (1480, 903136), (1664, 803270), (1670, 800384), (1690, 790912), (1924, 694720), (2080, 642616), (2171, 615680), (2368, 564460), (2405, 555776), (2672, 500240), (2704, 494320), (2960, 451568), (3328, 401635), (3340, 400192), (3380, 395456), (3848, 347360), (4160, 321308), (4342, 307840), (4736, 282230), (4810, 277888), (5344, 250120), (5408, 247160), (5920, 225784), (6179, 216320), (6253, 213760), (6680, 200096), (6760, 197728), (7696, 173680), (8320, 160654), (8684, 153920), (9472, 141115), (9620, 138944), (10688, 125060), (10816, 123580), (10855, 123136), (11840, 112892), (12358, 108160), (12506, 106880), (13360, 100048), (13520, 98864), (15392, 86840), (16640, 80327), (17368, 76960), (19240, 69472), (21376, 62530), (21632, 61790), (21710, 61568), (23680, 56446), (24716, 54080), (25012, 53440), (26720, 50024), (27040, 49432), (28223, 47360), (30784, 43420), (30895, 43264), (31265, 42752), (34736, 38480)]