21057853920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{719189}}^1$

素因数の和:719268

約数の個数: 96

約数和(自身を含む): 67419747360

約数和(自身を除く): 46361893440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 80, 96, 120, 122, 160, 183, 240, 244, 305, 366, 480, 488, 610, 732, 915, 976, 1220, 1464, 1830, 1952, 2440, 2928, 3660, 4880, 5856, 7320, 9760, 14640, 29280, 719189, 1438378, 2157567, 2876756, 3595945, 4315134, 5753512, 7191890, 8630268, 10787835, 11507024, 14383780, 17260536, 21575670, 23014048, 28767560, 34521072, 43151340, 43870529, 57535120, 69042144, 86302680, 87741058, 115070240, 131611587, 172605360, 175482116, 219352645, 263223174, 345210720, 350964232, 438705290, 526446348, 658057935, 701928464, 877410580, 1052892696, 1316115870, 1403856928, 1754821160, 2105785392, 2632231740, 3509642320, 4211570784, 5264463480, 7019284640, 10528926960, 21057853920]

約数ペア:

[(1, 21057853920), (2, 10528926960), (3, 7019284640), (4, 5264463480), (5, 4211570784), (6, 3509642320), (8, 2632231740), (10, 2105785392), (12, 1754821160), (15, 1403856928), (16, 1316115870), (20, 1052892696), (24, 877410580), (30, 701928464), (32, 658057935), (40, 526446348), (48, 438705290), (60, 350964232), (61, 345210720), (80, 263223174), (96, 219352645), (120, 175482116), (122, 172605360), (160, 131611587), (183, 115070240), (240, 87741058), (244, 86302680), (305, 69042144), (366, 57535120), (480, 43870529), (488, 43151340), (610, 34521072), (732, 28767560), (915, 23014048), (976, 21575670), (1220, 17260536), (1464, 14383780), (1830, 11507024), (1952, 10787835), (2440, 8630268), (2928, 7191890), (3660, 5753512), (4880, 4315134), (5856, 3595945), (7320, 2876756), (9760, 2157567), (14640, 1438378), (29280, 719189)]