204613920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:464

約数の個数: 288

約数和(自身を含む): 815173632

約数和(自身を除く): 610559712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 53, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 106, 112, 120, 126, 140, 144, 159, 160, 168, 180, 210, 212, 224, 240, 252, 265, 280, 288, 315, 318, 336, 360, 371, 383, 420, 424, 477, 480, 504, 530, 560, 630, 636, 672, 720, 742, 766, 795, 840, 848, 954, 1008, 1060, 1113, 1120, 1149, 1260, 1272, 1440, 1484, 1532, 1590, 1680, 1696, 1855, 1908, 1915, 2016, 2120, 2226, 2298, 2385, 2520, 2544, 2681, 2968, 3064, 3180, 3339, 3360, 3447, 3710, 3816, 3830, 4240, 4452, 4596, 4770, 5040, 5088, 5362, 5565, 5745, 5936, 6128, 6360, 6678, 6894, 7420, 7632, 7660, 8043, 8480, 8904, 9192, 9540, 10080, 10724, 11130, 11490, 11872, 12256, 12720, 13356, 13405, 13788, 14840, 15264, 15320, 16086, 16695, 17235, 17808, 18384, 19080, 20299, 21448, 22260, 22980, 24129, 25440, 26712, 26810, 27576, 29680, 30640, 32172, 33390, 34470, 35616, 36768, 38160, 40215, 40598, 42896, 44520, 45960, 48258, 53424, 53620, 55152, 59360, 60897, 61280, 64344, 66780, 68940, 76320, 80430, 81196, 85792, 89040, 91920, 96516, 101495, 106848, 107240, 110304, 120645, 121794, 128688, 133560, 137880, 142093, 160860, 162392, 178080, 182691, 183840, 193032, 202990, 214480, 241290, 243588, 257376, 267120, 275760, 284186, 304485, 321720, 324784, 365382, 386064, 405980, 426279, 428960, 482580, 487176, 534240, 551520, 568372, 608970, 643440, 649568, 710465, 730764, 772128, 811960, 852558, 913455, 965160, 974352, 1136744, 1217940, 1278837, 1286880, 1420930, 1461528, 1623920, 1705116, 1826910, 1930320, 1948704, 2131395, 2273488, 2435880, 2557674, 2841860, 2923056, 3247840, 3410232, 3653820, 3860640, 4262790, 4546976, 4871760, 5115348, 5683720, 5846112, 6394185, 6820464, 7307640, 8525580, 9743520, 10230696, 11367440, 12788370, 13640928, 14615280, 17051160, 20461392, 22734880, 25576740, 29230560, 34102320, 40922784, 51153480, 68204640, 102306960, 204613920]

約数ペア:

[(1, 204613920), (2, 102306960), (3, 68204640), (4, 51153480), (5, 40922784), (6, 34102320), (7, 29230560), (8, 25576740), (9, 22734880), (10, 20461392), (12, 17051160), (14, 14615280), (15, 13640928), (16, 12788370), (18, 11367440), (20, 10230696), (21, 9743520), (24, 8525580), (28, 7307640), (30, 6820464), (32, 6394185), (35, 5846112), (36, 5683720), (40, 5115348), (42, 4871760), (45, 4546976), (48, 4262790), (53, 3860640), (56, 3653820), (60, 3410232), (63, 3247840), (70, 2923056), (72, 2841860), (80, 2557674), (84, 2435880), (90, 2273488), (96, 2131395), (105, 1948704), (106, 1930320), (112, 1826910), (120, 1705116), (126, 1623920), (140, 1461528), (144, 1420930), (159, 1286880), (160, 1278837), (168, 1217940), (180, 1136744), (210, 974352), (212, 965160), (224, 913455), (240, 852558), (252, 811960), (265, 772128), (280, 730764), (288, 710465), (315, 649568), (318, 643440), (336, 608970), (360, 568372), (371, 551520), (383, 534240), (420, 487176), (424, 482580), (477, 428960), (480, 426279), (504, 405980), (530, 386064), (560, 365382), (630, 324784), (636, 321720), (672, 304485), (720, 284186), (742, 275760), (766, 267120), (795, 257376), (840, 243588), (848, 241290), (954, 214480), (1008, 202990), (1060, 193032), (1113, 183840), (1120, 182691), (1149, 178080), (1260, 162392), (1272, 160860), (1440, 142093), (1484, 137880), (1532, 133560), (1590, 128688), (1680, 121794), (1696, 120645), (1855, 110304), (1908, 107240), (1915, 106848), (2016, 101495), (2120, 96516), (2226, 91920), (2298, 89040), (2385, 85792), (2520, 81196), (2544, 80430), (2681, 76320), (2968, 68940), (3064, 66780), (3180, 64344), (3339, 61280), (3360, 60897), (3447, 59360), (3710, 55152), (3816, 53620), (3830, 53424), (4240, 48258), (4452, 45960), (4596, 44520), (4770, 42896), (5040, 40598), (5088, 40215), (5362, 38160), (5565, 36768), (5745, 35616), (5936, 34470), (6128, 33390), (6360, 32172), (6678, 30640), (6894, 29680), (7420, 27576), (7632, 26810), (7660, 26712), (8043, 25440), (8480, 24129), (8904, 22980), (9192, 22260), (9540, 21448), (10080, 20299), (10724, 19080), (11130, 18384), (11490, 17808), (11872, 17235), (12256, 16695), (12720, 16086), (13356, 15320), (13405, 15264), (13788, 14840)]