1561031680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:584

約数の個数: 176

約数和(自身を含む): 4126752000

約数和(自身を除く): 2565720320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 128, 130, 160, 188, 208, 235, 256, 260, 320, 376, 416, 470, 499, 512, 520, 611, 640, 752, 832, 940, 998, 1024, 1040, 1222, 1280, 1504, 1664, 1880, 1996, 2080, 2444, 2495, 2560, 3008, 3055, 3328, 3760, 3992, 4160, 4888, 4990, 5120, 6016, 6110, 6487, 6656, 7520, 7984, 8320, 9776, 9980, 12032, 12220, 12974, 13312, 15040, 15968, 16640, 19552, 19960, 23453, 24064, 24440, 25948, 30080, 31936, 32435, 33280, 39104, 39920, 46906, 48128, 48880, 51896, 60160, 63872, 64870, 66560, 78208, 79840, 93812, 97760, 103792, 117265, 120320, 127744, 129740, 156416, 159680, 187624, 195520, 207584, 234530, 240640, 255488, 259480, 304889, 312832, 319360, 375248, 391040, 415168, 469060, 510976, 518960, 609778, 625664, 638720, 750496, 782080, 830336, 938120, 1037920, 1219556, 1277440, 1500992, 1524445, 1564160, 1660672, 1876240, 2075840, 2439112, 2554880, 3001984, 3048890, 3128320, 3321344, 3752480, 4151680, 4878224, 6003968, 6097780, 6642688, 7504960, 8303360, 9756448, 12007936, 12195560, 15009920, 16606720, 19512896, 24015872, 24391120, 30019840, 33213440, 39025792, 48782240, 60039680, 78051584, 97564480, 120079360, 156103168, 195128960, 312206336, 390257920, 780515840, 1561031680]

約数ペア:

[(1, 1561031680), (2, 780515840), (4, 390257920), (5, 312206336), (8, 195128960), (10, 156103168), (13, 120079360), (16, 97564480), (20, 78051584), (26, 60039680), (32, 48782240), (40, 39025792), (47, 33213440), (52, 30019840), (64, 24391120), (65, 24015872), (80, 19512896), (94, 16606720), (104, 15009920), (128, 12195560), (130, 12007936), (160, 9756448), (188, 8303360), (208, 7504960), (235, 6642688), (256, 6097780), (260, 6003968), (320, 4878224), (376, 4151680), (416, 3752480), (470, 3321344), (499, 3128320), (512, 3048890), (520, 3001984), (611, 2554880), (640, 2439112), (752, 2075840), (832, 1876240), (940, 1660672), (998, 1564160), (1024, 1524445), (1040, 1500992), (1222, 1277440), (1280, 1219556), (1504, 1037920), (1664, 938120), (1880, 830336), (1996, 782080), (2080, 750496), (2444, 638720), (2495, 625664), (2560, 609778), (3008, 518960), (3055, 510976), (3328, 469060), (3760, 415168), (3992, 391040), (4160, 375248), (4888, 319360), (4990, 312832), (5120, 304889), (6016, 259480), (6110, 255488), (6487, 240640), (6656, 234530), (7520, 207584), (7984, 195520), (8320, 187624), (9776, 159680), (9980, 156416), (12032, 129740), (12220, 127744), (12974, 120320), (13312, 117265), (15040, 103792), (15968, 97760), (16640, 93812), (19552, 79840), (19960, 78208), (23453, 66560), (24064, 64870), (24440, 63872), (25948, 60160), (30080, 51896), (31936, 48880), (32435, 48128), (33280, 46906), (39104, 39920)]