421820520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 256

約数和(自身を含む): 1475712000

約数和(自身を除く): 1053891480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 121, 132, 139, 152, 165, 190, 209, 220, 228, 242, 264, 278, 285, 330, 363, 380, 417, 418, 440, 456, 484, 556, 570, 605, 627, 660, 695, 726, 760, 834, 836, 968, 1045, 1112, 1140, 1210, 1254, 1320, 1331, 1390, 1452, 1529, 1668, 1672, 1815, 2085, 2090, 2280, 2299, 2420, 2508, 2641, 2662, 2780, 2904, 3058, 3135, 3336, 3630, 3993, 4170, 4180, 4587, 4598, 4840, 5016, 5282, 5324, 5560, 6116, 6270, 6655, 6897, 7260, 7645, 7923, 7986, 8340, 8360, 9174, 9196, 10564, 10648, 11495, 12232, 12540, 13205, 13310, 13794, 14520, 15290, 15846, 15972, 16680, 16819, 18348, 18392, 19965, 21128, 22935, 22990, 25080, 25289, 26410, 26620, 27588, 29051, 30580, 31692, 31944, 33638, 34485, 36696, 39615, 39930, 45870, 45980, 50457, 50578, 52820, 53240, 55176, 58102, 61160, 63384, 67276, 68970, 75867, 79230, 79860, 84095, 87153, 91740, 91960, 100914, 101156, 105640, 116204, 126445, 134552, 137940, 145255, 151734, 158460, 159720, 168190, 174306, 183480, 185009, 201828, 202312, 232408, 252285, 252890, 275880, 290510, 303468, 316920, 319561, 336380, 348612, 370018, 379335, 403656, 435765, 504570, 505780, 555027, 581020, 606936, 639122, 672760, 697224, 740036, 758670, 871530, 925045, 958683, 1009140, 1011560, 1110054, 1162040, 1278244, 1480072, 1517340, 1597805, 1743060, 1850090, 1917366, 2018280, 2220108, 2556488, 2775135, 3034680, 3195610, 3486120, 3515171, 3700180, 3834732, 4440216, 4793415, 5550270, 6391220, 7030342, 7400360, 7669464, 9586830, 10545513, 11100540, 12782440, 14060684, 17575855, 19173660, 21091026, 22201080, 28121368, 35151710, 38347320, 42182052, 52727565, 70303420, 84364104, 105455130, 140606840, 210910260, 421820520]

約数ペア:

[(1, 421820520), (2, 210910260), (3, 140606840), (4, 105455130), (5, 84364104), (6, 70303420), (8, 52727565), (10, 42182052), (11, 38347320), (12, 35151710), (15, 28121368), (19, 22201080), (20, 21091026), (22, 19173660), (24, 17575855), (30, 14060684), (33, 12782440), (38, 11100540), (40, 10545513), (44, 9586830), (55, 7669464), (57, 7400360), (60, 7030342), (66, 6391220), (76, 5550270), (88, 4793415), (95, 4440216), (110, 3834732), (114, 3700180), (120, 3515171), (121, 3486120), (132, 3195610), (139, 3034680), (152, 2775135), (165, 2556488), (190, 2220108), (209, 2018280), (220, 1917366), (228, 1850090), (242, 1743060), (264, 1597805), (278, 1517340), (285, 1480072), (330, 1278244), (363, 1162040), (380, 1110054), (417, 1011560), (418, 1009140), (440, 958683), (456, 925045), (484, 871530), (556, 758670), (570, 740036), (605, 697224), (627, 672760), (660, 639122), (695, 606936), (726, 581020), (760, 555027), (834, 505780), (836, 504570), (968, 435765), (1045, 403656), (1112, 379335), (1140, 370018), (1210, 348612), (1254, 336380), (1320, 319561), (1331, 316920), (1390, 303468), (1452, 290510), (1529, 275880), (1668, 252890), (1672, 252285), (1815, 232408), (2085, 202312), (2090, 201828), (2280, 185009), (2299, 183480), (2420, 174306), (2508, 168190), (2641, 159720), (2662, 158460), (2780, 151734), (2904, 145255), (3058, 137940), (3135, 134552), (3336, 126445), (3630, 116204), (3993, 105640), (4170, 101156), (4180, 100914), (4587, 91960), (4598, 91740), (4840, 87153), (5016, 84095), (5282, 79860), (5324, 79230), (5560, 75867), (6116, 68970), (6270, 67276), (6655, 63384), (6897, 61160), (7260, 58102), (7645, 55176), (7923, 53240), (7986, 52820), (8340, 50578), (8360, 50457), (9174, 45980), (9196, 45870), (10564, 39930), (10648, 39615), (11495, 36696), (12232, 34485), (12540, 33638), (13205, 31944), (13310, 31692), (13794, 30580), (14520, 29051), (15290, 27588), (15846, 26620), (15972, 26410), (16680, 25289), (16819, 25080), (18348, 22990), (18392, 22935), (19965, 21128)]