64615680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 216

約数和(自身を含む): 229582080

約数和(自身を除く): 164966400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 79, 80, 90, 96, 120, 128, 142, 144, 158, 160, 180, 192, 213, 237, 240, 256, 284, 288, 316, 320, 355, 360, 384, 395, 426, 474, 480, 568, 576, 632, 639, 640, 710, 711, 720, 768, 790, 852, 948, 960, 1065, 1136, 1152, 1185, 1264, 1278, 1280, 1420, 1422, 1440, 1580, 1704, 1896, 1920, 2130, 2272, 2304, 2370, 2528, 2556, 2840, 2844, 2880, 3160, 3195, 3408, 3555, 3792, 3840, 4260, 4544, 4740, 5056, 5112, 5609, 5680, 5688, 5760, 6320, 6390, 6816, 7110, 7584, 8520, 9088, 9480, 10112, 10224, 11218, 11360, 11376, 11520, 12640, 12780, 13632, 14220, 15168, 16827, 17040, 18176, 18960, 20224, 20448, 22436, 22720, 22752, 25280, 25560, 27264, 28045, 28440, 30336, 33654, 34080, 37920, 40896, 44872, 45440, 45504, 50481, 50560, 51120, 54528, 56090, 56880, 60672, 67308, 68160, 75840, 81792, 84135, 89744, 90880, 91008, 100962, 101120, 102240, 112180, 113760, 134616, 136320, 151680, 163584, 168270, 179488, 182016, 201924, 204480, 224360, 227520, 252405, 269232, 272640, 303360, 336540, 358976, 403848, 408960, 448720, 455040, 504810, 538464, 673080, 717952, 807696, 817920, 897440, 910080, 1009620, 1076928, 1346160, 1435904, 1615392, 1794880, 2019240, 2153856, 2692320, 3230784, 3589760, 4038480, 4307712, 5384640, 6461568, 7179520, 8076960, 10769280, 12923136, 16153920, 21538560, 32307840, 64615680]

約数ペア:

[(1, 64615680), (2, 32307840), (3, 21538560), (4, 16153920), (5, 12923136), (6, 10769280), (8, 8076960), (9, 7179520), (10, 6461568), (12, 5384640), (15, 4307712), (16, 4038480), (18, 3589760), (20, 3230784), (24, 2692320), (30, 2153856), (32, 2019240), (36, 1794880), (40, 1615392), (45, 1435904), (48, 1346160), (60, 1076928), (64, 1009620), (71, 910080), (72, 897440), (79, 817920), (80, 807696), (90, 717952), (96, 673080), (120, 538464), (128, 504810), (142, 455040), (144, 448720), (158, 408960), (160, 403848), (180, 358976), (192, 336540), (213, 303360), (237, 272640), (240, 269232), (256, 252405), (284, 227520), (288, 224360), (316, 204480), (320, 201924), (355, 182016), (360, 179488), (384, 168270), (395, 163584), (426, 151680), (474, 136320), (480, 134616), (568, 113760), (576, 112180), (632, 102240), (639, 101120), (640, 100962), (710, 91008), (711, 90880), (720, 89744), (768, 84135), (790, 81792), (852, 75840), (948, 68160), (960, 67308), (1065, 60672), (1136, 56880), (1152, 56090), (1185, 54528), (1264, 51120), (1278, 50560), (1280, 50481), (1420, 45504), (1422, 45440), (1440, 44872), (1580, 40896), (1704, 37920), (1896, 34080), (1920, 33654), (2130, 30336), (2272, 28440), (2304, 28045), (2370, 27264), (2528, 25560), (2556, 25280), (2840, 22752), (2844, 22720), (2880, 22436), (3160, 20448), (3195, 20224), (3408, 18960), (3555, 18176), (3792, 17040), (3840, 16827), (4260, 15168), (4544, 14220), (4740, 13632), (5056, 12780), (5112, 12640), (5609, 11520), (5680, 11376), (5688, 11360), (5760, 11218), (6320, 10224), (6390, 10112), (6816, 9480), (7110, 9088), (7584, 8520)]