20195299440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{353}}^1\times {\mathrm{439}}^1$

素因数の和:992

約数の個数: 240

約数和(自身を含む): 68546237760

約数和(自身を除く): 48350938320

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, 181, 240, 353, 360, 362, 439, 543, 706, 720, 724, 878, 905, 1059, 1086, 1317, 1412, 1448, 1629, 1756, 1765, 1810, 2118, 2172, 2195, 2634, 2715, 2824, 2896, 3177, 3258, 3512, 3530, 3620, 3951, 4236, 4344, 4390, 5268, 5295, 5430, 5648, 6354, 6516, 6585, 7024, 7060, 7240, 7902, 8145, 8472, 8688, 8780, 10536, 10590, 10860, 12708, 13032, 13170, 14120, 14480, 15804, 15885, 16290, 16944, 17560, 19755, 21072, 21180, 21720, 25416, 26064, 26340, 28240, 31608, 31770, 32580, 35120, 39510, 42360, 43440, 50832, 52680, 63216, 63540, 63893, 65160, 79020, 79459, 84720, 105360, 127080, 127786, 130320, 154967, 158040, 158918, 191679, 238377, 254160, 255572, 309934, 316080, 317836, 319465, 383358, 397295, 464901, 476754, 511144, 575037, 619868, 635672, 638930, 715131, 766716, 774835, 794590, 929802, 953508, 958395, 1022288, 1150074, 1191885, 1239736, 1271344, 1277860, 1394703, 1430262, 1533432, 1549670, 1589180, 1859604, 1907016, 1916790, 2300148, 2324505, 2383770, 2479472, 2555720, 2789406, 2860524, 2875185, 3066864, 3099340, 3178360, 3575655, 3719208, 3814032, 3833580, 4600296, 4649010, 4767540, 5111440, 5578812, 5721048, 5750370, 6198680, 6356720, 6973515, 7151310, 7438416, 7667160, 9200592, 9298020, 9535080, 11157624, 11442096, 11500740, 12397360, 13947030, 14302620, 15334320, 18596040, 19070160, 22315248, 23001480, 27894060, 28049027, 28605240, 37192080, 46002960, 55788120, 56098054, 57210480, 84147081, 111576240, 112196108, 140245135, 168294162, 224392216, 252441243, 280490270, 336588324, 420735405, 448784432, 504882486, 560980540, 673176648, 841470810, 1009764972, 1121961080, 1262206215, 1346353296, 1682941620, 2019529944, 2243922160, 2524412430, 3365883240, 4039059888, 5048824860, 6731766480, 10097649720, 20195299440]

約数ペア:

[(1, 20195299440), (2, 10097649720), (3, 6731766480), (4, 5048824860), (5, 4039059888), (6, 3365883240), (8, 2524412430), (9, 2243922160), (10, 2019529944), (12, 1682941620), (15, 1346353296), (16, 1262206215), (18, 1121961080), (20, 1009764972), (24, 841470810), (30, 673176648), (36, 560980540), (40, 504882486), (45, 448784432), (48, 420735405), (60, 336588324), (72, 280490270), (80, 252441243), (90, 224392216), (120, 168294162), (144, 140245135), (180, 112196108), (181, 111576240), (240, 84147081), (353, 57210480), (360, 56098054), (362, 55788120), (439, 46002960), (543, 37192080), (706, 28605240), (720, 28049027), (724, 27894060), (878, 23001480), (905, 22315248), (1059, 19070160), (1086, 18596040), (1317, 15334320), (1412, 14302620), (1448, 13947030), (1629, 12397360), (1756, 11500740), (1765, 11442096), (1810, 11157624), (2118, 9535080), (2172, 9298020), (2195, 9200592), (2634, 7667160), (2715, 7438416), (2824, 7151310), (2896, 6973515), (3177, 6356720), (3258, 6198680), (3512, 5750370), (3530, 5721048), (3620, 5578812), (3951, 5111440), (4236, 4767540), (4344, 4649010), (4390, 4600296), (5268, 3833580), (5295, 3814032), (5430, 3719208), (5648, 3575655), (6354, 3178360), (6516, 3099340), (6585, 3066864), (7024, 2875185), (7060, 2860524), (7240, 2789406), (7902, 2555720), (8145, 2479472), (8472, 2383770), (8688, 2324505), (8780, 2300148), (10536, 1916790), (10590, 1907016), (10860, 1859604), (12708, 1589180), (13032, 1549670), (13170, 1533432), (14120, 1430262), (14480, 1394703), (15804, 1277860), (15885, 1271344), (16290, 1239736), (16944, 1191885), (17560, 1150074), (19755, 1022288), (21072, 958395), (21180, 953508), (21720, 929802), (25416, 794590), (26064, 774835), (26340, 766716), (28240, 715131), (31608, 638930), (31770, 635672), (32580, 619868), (35120, 575037), (39510, 511144), (42360, 476754), (43440, 464901), (50832, 397295), (52680, 383358), (63216, 319465), (63540, 317836), (63893, 316080), (65160, 309934), (79020, 255572), (79459, 254160), (84720, 238377), (105360, 191679), (127080, 158918), (127786, 158040), (130320, 154967)]