20191445280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{7187}}^1$

素因数の和:9159

約数の個数: 144

約数和(自身を含む): 68948216064

約数和(自身を除く): 48756770784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1951, 3902, 5853, 7187, 7804, 9755, 11706, 14374, 15608, 17559, 19510, 21561, 23412, 28748, 29265, 31216, 35118, 35935, 39020, 43122, 46824, 57496, 58530, 62432, 64683, 70236, 71870, 78040, 86244, 87795, 93648, 107805, 114992, 117060, 129366, 140472, 143740, 156080, 172488, 175590, 187296, 215610, 229984, 234120, 258732, 280944, 287480, 312160, 323415, 344976, 351180, 431220, 468240, 517464, 561888, 574960, 646830, 689952, 702360, 862440, 936480, 1034928, 1149920, 1293660, 1404720, 1724880, 2069856, 2587320, 2809440, 3449760, 5174640, 10349280, 14021837, 28043674, 42065511, 56087348, 70109185, 84131022, 112174696, 126196533, 140218370, 168262044, 210327555, 224349392, 252393066, 280436740, 336524088, 420655110, 448698784, 504786132, 560873480, 630982665, 673048176, 841310220, 1009572264, 1121746960, 1261965330, 1346096352, 1682620440, 2019144528, 2243493920, 2523930660, 3365240880, 4038289056, 5047861320, 6730481760, 10095722640, 20191445280]

約数ペア:

[(1, 20191445280), (2, 10095722640), (3, 6730481760), (4, 5047861320), (5, 4038289056), (6, 3365240880), (8, 2523930660), (9, 2243493920), (10, 2019144528), (12, 1682620440), (15, 1346096352), (16, 1261965330), (18, 1121746960), (20, 1009572264), (24, 841310220), (30, 673048176), (32, 630982665), (36, 560873480), (40, 504786132), (45, 448698784), (48, 420655110), (60, 336524088), (72, 280436740), (80, 252393066), (90, 224349392), (96, 210327555), (120, 168262044), (144, 140218370), (160, 126196533), (180, 112174696), (240, 84131022), (288, 70109185), (360, 56087348), (480, 42065511), (720, 28043674), (1440, 14021837), (1951, 10349280), (3902, 5174640), (5853, 3449760), (7187, 2809440), (7804, 2587320), (9755, 2069856), (11706, 1724880), (14374, 1404720), (15608, 1293660), (17559, 1149920), (19510, 1034928), (21561, 936480), (23412, 862440), (28748, 702360), (29265, 689952), (31216, 646830), (35118, 574960), (35935, 561888), (39020, 517464), (43122, 468240), (46824, 431220), (57496, 351180), (58530, 344976), (62432, 323415), (64683, 312160), (70236, 287480), (71870, 280944), (78040, 258732), (86244, 234120), (87795, 229984), (93648, 215610), (107805, 187296), (114992, 175590), (117060, 172488), (129366, 156080), (140472, 143740)]