21987668880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{88007}}^1$

素因数の和:88373

約数の個数: 120

約数和(自身を含む): 74055563712

約数和(自身を除く): 52067894832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 347, 360, 694, 720, 1041, 1388, 1735, 2082, 2776, 3123, 3470, 4164, 5205, 5552, 6246, 6940, 8328, 10410, 12492, 13880, 15615, 16656, 20820, 24984, 27760, 31230, 41640, 49968, 62460, 83280, 88007, 124920, 176014, 249840, 264021, 352028, 440035, 528042, 704056, 792063, 880070, 1056084, 1320105, 1408112, 1584126, 1760140, 2112168, 2640210, 3168252, 3520280, 3960315, 4224336, 5280420, 6336504, 7040560, 7920630, 10560840, 12673008, 15841260, 21121680, 30538429, 31682520, 61076858, 63365040, 91615287, 122153716, 152692145, 183230574, 244307432, 274845861, 305384290, 366461148, 458076435, 488614864, 549691722, 610768580, 732922296, 916152870, 1099383444, 1221537160, 1374229305, 1465844592, 1832305740, 2198766888, 2443074320, 2748458610, 3664611480, 4397533776, 5496917220, 7329222960, 10993834440, 21987668880]

約数ペア:

[(1, 21987668880), (2, 10993834440), (3, 7329222960), (4, 5496917220), (5, 4397533776), (6, 3664611480), (8, 2748458610), (9, 2443074320), (10, 2198766888), (12, 1832305740), (15, 1465844592), (16, 1374229305), (18, 1221537160), (20, 1099383444), (24, 916152870), (30, 732922296), (36, 610768580), (40, 549691722), (45, 488614864), (48, 458076435), (60, 366461148), (72, 305384290), (80, 274845861), (90, 244307432), (120, 183230574), (144, 152692145), (180, 122153716), (240, 91615287), (347, 63365040), (360, 61076858), (694, 31682520), (720, 30538429), (1041, 21121680), (1388, 15841260), (1735, 12673008), (2082, 10560840), (2776, 7920630), (3123, 7040560), (3470, 6336504), (4164, 5280420), (5205, 4224336), (5552, 3960315), (6246, 3520280), (6940, 3168252), (8328, 2640210), (10410, 2112168), (12492, 1760140), (13880, 1584126), (15615, 1408112), (16656, 1320105), (20820, 1056084), (24984, 880070), (27760, 792063), (31230, 704056), (41640, 528042), (49968, 440035), (62460, 352028), (83280, 264021), (88007, 249840), (124920, 176014)]