217557720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{9907}}^1$

素因数の和:9985

約数の個数: 96

約数和(自身を含む): 718726320

約数和(自身を除く): 501168600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 3660, 4392, 5490, 7320, 9907, 10980, 19814, 21960, 29721, 39628, 49535, 59442, 79256, 89163, 99070, 118884, 148605, 178326, 198140, 237768, 297210, 356652, 396280, 445815, 594420, 604327, 713304, 891630, 1188840, 1208654, 1783260, 1812981, 2417308, 3021635, 3566520, 3625962, 4834616, 5438943, 6043270, 7251924, 9064905, 10877886, 12086540, 14503848, 18129810, 21755772, 24173080, 27194715, 36259620, 43511544, 54389430, 72519240, 108778860, 217557720]

約数ペア:

[(1, 217557720), (2, 108778860), (3, 72519240), (4, 54389430), (5, 43511544), (6, 36259620), (8, 27194715), (9, 24173080), (10, 21755772), (12, 18129810), (15, 14503848), (18, 12086540), (20, 10877886), (24, 9064905), (30, 7251924), (36, 6043270), (40, 5438943), (45, 4834616), (60, 3625962), (61, 3566520), (72, 3021635), (90, 2417308), (120, 1812981), (122, 1783260), (180, 1208654), (183, 1188840), (244, 891630), (305, 713304), (360, 604327), (366, 594420), (488, 445815), (549, 396280), (610, 356652), (732, 297210), (915, 237768), (1098, 198140), (1220, 178326), (1464, 148605), (1830, 118884), (2196, 99070), (2440, 89163), (2745, 79256), (3660, 59442), (4392, 49535), (5490, 39628), (7320, 29721), (9907, 21960), (10980, 19814)]