16628640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^3\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 61689600

約数和(自身を除く): 45060960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 101, 105, 112, 120, 140, 147, 160, 168, 196, 202, 210, 224, 240, 245, 280, 294, 303, 336, 343, 392, 404, 420, 480, 490, 505, 560, 588, 606, 672, 686, 707, 735, 784, 808, 840, 980, 1010, 1029, 1120, 1176, 1212, 1372, 1414, 1470, 1515, 1568, 1616, 1680, 1715, 1960, 2020, 2058, 2121, 2352, 2424, 2744, 2828, 2940, 3030, 3232, 3360, 3430, 3535, 3920, 4040, 4116, 4242, 4704, 4848, 4949, 5145, 5488, 5656, 5880, 6060, 6860, 7070, 7840, 8080, 8232, 8484, 9696, 9898, 10290, 10605, 10976, 11312, 11760, 12120, 13720, 14140, 14847, 16160, 16464, 16968, 19796, 20580, 21210, 22624, 23520, 24240, 24745, 27440, 28280, 29694, 32928, 33936, 34643, 39592, 41160, 42420, 48480, 49490, 54880, 56560, 59388, 67872, 69286, 74235, 79184, 82320, 84840, 98980, 103929, 113120, 118776, 138572, 148470, 158368, 164640, 169680, 173215, 197960, 207858, 237552, 277144, 296940, 339360, 346430, 395920, 415716, 475104, 519645, 554288, 593880, 692860, 791840, 831432, 1039290, 1108576, 1187760, 1385720, 1662864, 2078580, 2375520, 2771440, 3325728, 4157160, 5542880, 8314320, 16628640]

約数ペア:

[(1, 16628640), (2, 8314320), (3, 5542880), (4, 4157160), (5, 3325728), (6, 2771440), (7, 2375520), (8, 2078580), (10, 1662864), (12, 1385720), (14, 1187760), (15, 1108576), (16, 1039290), (20, 831432), (21, 791840), (24, 692860), (28, 593880), (30, 554288), (32, 519645), (35, 475104), (40, 415716), (42, 395920), (48, 346430), (49, 339360), (56, 296940), (60, 277144), (70, 237552), (80, 207858), (84, 197960), (96, 173215), (98, 169680), (101, 164640), (105, 158368), (112, 148470), (120, 138572), (140, 118776), (147, 113120), (160, 103929), (168, 98980), (196, 84840), (202, 82320), (210, 79184), (224, 74235), (240, 69286), (245, 67872), (280, 59388), (294, 56560), (303, 54880), (336, 49490), (343, 48480), (392, 42420), (404, 41160), (420, 39592), (480, 34643), (490, 33936), (505, 32928), (560, 29694), (588, 28280), (606, 27440), (672, 24745), (686, 24240), (707, 23520), (735, 22624), (784, 21210), (808, 20580), (840, 19796), (980, 16968), (1010, 16464), (1029, 16160), (1120, 14847), (1176, 14140), (1212, 13720), (1372, 12120), (1414, 11760), (1470, 11312), (1515, 10976), (1568, 10605), (1616, 10290), (1680, 9898), (1715, 9696), (1960, 8484), (2020, 8232), (2058, 8080), (2121, 7840), (2352, 7070), (2424, 6860), (2744, 6060), (2828, 5880), (2940, 5656), (3030, 5488), (3232, 5145), (3360, 4949), (3430, 4848), (3535, 4704), (3920, 4242), (4040, 4116)]