221209920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{25603}}^1$

素因数の和:25629

約数の個数: 112

約数和(自身を含む): 780409920

約数和(自身を除く): 559200000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 25603, 51206, 76809, 102412, 128015, 153618, 204824, 230427, 256030, 307236, 384045, 409648, 460854, 512060, 614472, 691281, 768090, 819296, 921708, 1024120, 1152135, 1228944, 1382562, 1536180, 1638592, 1843416, 2048240, 2304270, 2457888, 2765124, 3072360, 3456405, 3686832, 4096480, 4608540, 4915776, 5530248, 6144720, 6912810, 7373664, 8192960, 9217080, 11060496, 12289440, 13825620, 14747328, 18434160, 22120992, 24578880, 27651240, 36868320, 44241984, 55302480, 73736640, 110604960, 221209920]

約数ペア:

[(1, 221209920), (2, 110604960), (3, 73736640), (4, 55302480), (5, 44241984), (6, 36868320), (8, 27651240), (9, 24578880), (10, 22120992), (12, 18434160), (15, 14747328), (16, 13825620), (18, 12289440), (20, 11060496), (24, 9217080), (27, 8192960), (30, 7373664), (32, 6912810), (36, 6144720), (40, 5530248), (45, 4915776), (48, 4608540), (54, 4096480), (60, 3686832), (64, 3456405), (72, 3072360), (80, 2765124), (90, 2457888), (96, 2304270), (108, 2048240), (120, 1843416), (135, 1638592), (144, 1536180), (160, 1382562), (180, 1228944), (192, 1152135), (216, 1024120), (240, 921708), (270, 819296), (288, 768090), (320, 691281), (360, 614472), (432, 512060), (480, 460854), (540, 409648), (576, 384045), (720, 307236), (864, 256030), (960, 230427), (1080, 204824), (1440, 153618), (1728, 128015), (2160, 102412), (2880, 76809), (4320, 51206), (8640, 25603)]