221456640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:696

約数の個数: 144

約数和(自身を含む): 715530816

約数和(自身を除く): 494074176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 101, 120, 128, 160, 192, 202, 240, 256, 303, 320, 384, 404, 480, 505, 571, 606, 640, 768, 808, 960, 1010, 1142, 1212, 1280, 1515, 1616, 1713, 1920, 2020, 2284, 2424, 2855, 3030, 3232, 3426, 3840, 4040, 4568, 4848, 5710, 6060, 6464, 6852, 8080, 8565, 9136, 9696, 11420, 12120, 12928, 13704, 16160, 17130, 18272, 19392, 22840, 24240, 25856, 27408, 32320, 34260, 36544, 38784, 45680, 48480, 54816, 57671, 64640, 68520, 73088, 77568, 91360, 96960, 109632, 115342, 129280, 137040, 146176, 173013, 182720, 193920, 219264, 230684, 274080, 288355, 346026, 365440, 387840, 438528, 461368, 548160, 576710, 692052, 730880, 865065, 922736, 1096320, 1153420, 1384104, 1730130, 1845472, 2192640, 2306840, 2768208, 3460260, 3690944, 4613680, 5536416, 6920520, 7381888, 9227360, 11072832, 13841040, 14763776, 18454720, 22145664, 27682080, 36909440, 44291328, 55364160, 73818880, 110728320, 221456640]

約数ペア:

[(1, 221456640), (2, 110728320), (3, 73818880), (4, 55364160), (5, 44291328), (6, 36909440), (8, 27682080), (10, 22145664), (12, 18454720), (15, 14763776), (16, 13841040), (20, 11072832), (24, 9227360), (30, 7381888), (32, 6920520), (40, 5536416), (48, 4613680), (60, 3690944), (64, 3460260), (80, 2768208), (96, 2306840), (101, 2192640), (120, 1845472), (128, 1730130), (160, 1384104), (192, 1153420), (202, 1096320), (240, 922736), (256, 865065), (303, 730880), (320, 692052), (384, 576710), (404, 548160), (480, 461368), (505, 438528), (571, 387840), (606, 365440), (640, 346026), (768, 288355), (808, 274080), (960, 230684), (1010, 219264), (1142, 193920), (1212, 182720), (1280, 173013), (1515, 146176), (1616, 137040), (1713, 129280), (1920, 115342), (2020, 109632), (2284, 96960), (2424, 91360), (2855, 77568), (3030, 73088), (3232, 68520), (3426, 64640), (3840, 57671), (4040, 54816), (4568, 48480), (4848, 45680), (5710, 38784), (6060, 36544), (6464, 34260), (6852, 32320), (8080, 27408), (8565, 25856), (9136, 24240), (9696, 22840), (11420, 19392), (12120, 18272), (12928, 17130), (13704, 16160)]