639731664

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 240

約数和(自身を含む): 2151362304

約数和(自身を除く): 1511630640

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 33, 36, 39, 44, 47, 48, 52, 66, 72, 78, 88, 94, 99, 104, 117, 132, 141, 143, 144, 156, 176, 188, 198, 208, 234, 264, 282, 286, 312, 376, 396, 423, 429, 468, 517, 528, 564, 572, 611, 624, 661, 752, 792, 846, 858, 936, 1034, 1128, 1144, 1222, 1287, 1322, 1551, 1584, 1692, 1716, 1833, 1872, 1983, 2068, 2256, 2288, 2444, 2574, 2644, 3102, 3384, 3432, 3666, 3966, 4136, 4653, 4888, 5148, 5288, 5499, 5949, 6204, 6721, 6768, 6864, 7271, 7332, 7932, 8272, 8593, 9306, 9776, 10296, 10576, 10998, 11898, 12408, 13442, 14542, 14664, 15864, 17186, 18612, 20163, 20592, 21813, 21996, 23796, 24816, 25779, 26884, 29084, 29328, 31067, 31728, 34372, 37224, 40326, 43626, 43992, 47592, 51558, 53768, 58168, 60489, 62134, 65439, 68744, 74448, 77337, 80652, 87252, 87984, 93201, 94523, 95184, 103116, 107536, 116336, 120978, 124268, 130878, 137488, 154674, 161304, 174504, 186402, 189046, 206232, 241956, 248536, 261756, 279603, 283569, 309348, 322608, 341737, 349008, 372804, 378092, 403871, 412464, 483912, 497072, 523512, 559206, 567138, 618696, 683474, 745608, 756184, 807742, 850707, 967824, 1025211, 1047024, 1118412, 1134276, 1211613, 1237392, 1366948, 1491216, 1512368, 1615484, 1701414, 2050422, 2236824, 2268552, 2423226, 2733896, 3075633, 3230968, 3402828, 3634839, 4100844, 4442581, 4473648, 4537104, 4846452, 5467792, 6151266, 6461936, 6805656, 7269678, 8201688, 8885162, 9692904, 12302532, 13327743, 13611312, 14539356, 16403376, 17770324, 19385808, 24605064, 26655486, 29078712, 35540648, 39983229, 49210128, 53310972, 58157424, 71081296, 79966458, 106621944, 159932916, 213243888, 319865832, 639731664]

約数ペア:

[(1, 639731664), (2, 319865832), (3, 213243888), (4, 159932916), (6, 106621944), (8, 79966458), (9, 71081296), (11, 58157424), (12, 53310972), (13, 49210128), (16, 39983229), (18, 35540648), (22, 29078712), (24, 26655486), (26, 24605064), (33, 19385808), (36, 17770324), (39, 16403376), (44, 14539356), (47, 13611312), (48, 13327743), (52, 12302532), (66, 9692904), (72, 8885162), (78, 8201688), (88, 7269678), (94, 6805656), (99, 6461936), (104, 6151266), (117, 5467792), (132, 4846452), (141, 4537104), (143, 4473648), (144, 4442581), (156, 4100844), (176, 3634839), (188, 3402828), (198, 3230968), (208, 3075633), (234, 2733896), (264, 2423226), (282, 2268552), (286, 2236824), (312, 2050422), (376, 1701414), (396, 1615484), (423, 1512368), (429, 1491216), (468, 1366948), (517, 1237392), (528, 1211613), (564, 1134276), (572, 1118412), (611, 1047024), (624, 1025211), (661, 967824), (752, 850707), (792, 807742), (846, 756184), (858, 745608), (936, 683474), (1034, 618696), (1128, 567138), (1144, 559206), (1222, 523512), (1287, 497072), (1322, 483912), (1551, 412464), (1584, 403871), (1692, 378092), (1716, 372804), (1833, 349008), (1872, 341737), (1983, 322608), (2068, 309348), (2256, 283569), (2288, 279603), (2444, 261756), (2574, 248536), (2644, 241956), (3102, 206232), (3384, 189046), (3432, 186402), (3666, 174504), (3966, 161304), (4136, 154674), (4653, 137488), (4888, 130878), (5148, 124268), (5288, 120978), (5499, 116336), (5949, 107536), (6204, 103116), (6721, 95184), (6768, 94523), (6864, 93201), (7271, 87984), (7332, 87252), (7932, 80652), (8272, 77337), (8593, 74448), (9306, 68744), (9776, 65439), (10296, 62134), (10576, 60489), (10998, 58168), (11898, 53768), (12408, 51558), (13442, 47592), (14542, 43992), (14664, 43626), (15864, 40326), (17186, 37224), (18612, 34372), (20163, 31728), (20592, 31067), (21813, 29328), (21996, 29084), (23796, 26884), (24816, 25779)]