18495120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 66781440

約数和(自身を除く): 48286320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 101, 105, 109, 112, 120, 140, 168, 202, 210, 218, 240, 280, 303, 327, 336, 404, 420, 436, 505, 545, 560, 606, 654, 707, 763, 808, 840, 872, 1010, 1090, 1212, 1308, 1414, 1515, 1526, 1616, 1635, 1680, 1744, 2020, 2121, 2180, 2289, 2424, 2616, 2828, 3030, 3052, 3270, 3535, 3815, 4040, 4242, 4360, 4578, 4848, 5232, 5656, 6060, 6104, 6540, 7070, 7630, 8080, 8484, 8720, 9156, 10605, 11009, 11312, 11445, 12120, 12208, 13080, 14140, 15260, 16968, 18312, 21210, 22018, 22890, 24240, 26160, 28280, 30520, 33027, 33936, 36624, 42420, 44036, 45780, 55045, 56560, 61040, 66054, 77063, 84840, 88072, 91560, 110090, 132108, 154126, 165135, 169680, 176144, 183120, 220180, 231189, 264216, 308252, 330270, 385315, 440360, 462378, 528432, 616504, 660540, 770630, 880720, 924756, 1155945, 1233008, 1321080, 1541260, 1849512, 2311890, 2642160, 3082520, 3699024, 4623780, 6165040, 9247560, 18495120]

約数ペア:

[(1, 18495120), (2, 9247560), (3, 6165040), (4, 4623780), (5, 3699024), (6, 3082520), (7, 2642160), (8, 2311890), (10, 1849512), (12, 1541260), (14, 1321080), (15, 1233008), (16, 1155945), (20, 924756), (21, 880720), (24, 770630), (28, 660540), (30, 616504), (35, 528432), (40, 462378), (42, 440360), (48, 385315), (56, 330270), (60, 308252), (70, 264216), (80, 231189), (84, 220180), (101, 183120), (105, 176144), (109, 169680), (112, 165135), (120, 154126), (140, 132108), (168, 110090), (202, 91560), (210, 88072), (218, 84840), (240, 77063), (280, 66054), (303, 61040), (327, 56560), (336, 55045), (404, 45780), (420, 44036), (436, 42420), (505, 36624), (545, 33936), (560, 33027), (606, 30520), (654, 28280), (707, 26160), (763, 24240), (808, 22890), (840, 22018), (872, 21210), (1010, 18312), (1090, 16968), (1212, 15260), (1308, 14140), (1414, 13080), (1515, 12208), (1526, 12120), (1616, 11445), (1635, 11312), (1680, 11009), (1744, 10605), (2020, 9156), (2121, 8720), (2180, 8484), (2289, 8080), (2424, 7630), (2616, 7070), (2828, 6540), (3030, 6104), (3052, 6060), (3270, 5656), (3535, 5232), (3815, 4848), (4040, 4578), (4242, 4360)]