210223440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:866

約数の個数: 240

約数和(自身を含む): 823125888

約数和(自身を除く): 612902448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 53, 56, 60, 63, 70, 72, 80, 84, 90, 105, 106, 112, 120, 126, 140, 144, 159, 168, 180, 210, 212, 240, 252, 265, 280, 315, 318, 336, 360, 371, 420, 424, 477, 504, 530, 560, 630, 636, 720, 742, 787, 795, 840, 848, 954, 1008, 1060, 1113, 1260, 1272, 1484, 1574, 1590, 1680, 1855, 1908, 2120, 2226, 2361, 2385, 2520, 2544, 2968, 3148, 3180, 3339, 3710, 3816, 3935, 4240, 4452, 4722, 4770, 5040, 5509, 5565, 5936, 6296, 6360, 6678, 7083, 7420, 7632, 7870, 8904, 9444, 9540, 11018, 11130, 11805, 12592, 12720, 13356, 14166, 14840, 15740, 16527, 16695, 17808, 18888, 19080, 22036, 22260, 23610, 26712, 27545, 28332, 29680, 31480, 33054, 33390, 35415, 37776, 38160, 41711, 44072, 44520, 47220, 49581, 53424, 55090, 56664, 62960, 66108, 66780, 70830, 82635, 83422, 88144, 89040, 94440, 99162, 110180, 113328, 125133, 132216, 133560, 141660, 165270, 166844, 188880, 198324, 208555, 220360, 247905, 250266, 264432, 267120, 283320, 291977, 330540, 333688, 375399, 396648, 417110, 440720, 495810, 500532, 566640, 583954, 625665, 661080, 667376, 750798, 793296, 834220, 875931, 991620, 1001064, 1167908, 1251330, 1322160, 1459885, 1501596, 1668440, 1751862, 1876995, 1983240, 2002128, 2335816, 2502660, 2627793, 2919770, 3003192, 3336880, 3503724, 3753990, 3966480, 4379655, 4671632, 5005320, 5255586, 5839540, 6006384, 7007448, 7507980, 8759310, 10010640, 10511172, 11679080, 13138965, 14014896, 15015960, 17518620, 21022344, 23358160, 26277930, 30031920, 35037240, 42044688, 52555860, 70074480, 105111720, 210223440]

約数ペア:

[(1, 210223440), (2, 105111720), (3, 70074480), (4, 52555860), (5, 42044688), (6, 35037240), (7, 30031920), (8, 26277930), (9, 23358160), (10, 21022344), (12, 17518620), (14, 15015960), (15, 14014896), (16, 13138965), (18, 11679080), (20, 10511172), (21, 10010640), (24, 8759310), (28, 7507980), (30, 7007448), (35, 6006384), (36, 5839540), (40, 5255586), (42, 5005320), (45, 4671632), (48, 4379655), (53, 3966480), (56, 3753990), (60, 3503724), (63, 3336880), (70, 3003192), (72, 2919770), (80, 2627793), (84, 2502660), (90, 2335816), (105, 2002128), (106, 1983240), (112, 1876995), (120, 1751862), (126, 1668440), (140, 1501596), (144, 1459885), (159, 1322160), (168, 1251330), (180, 1167908), (210, 1001064), (212, 991620), (240, 875931), (252, 834220), (265, 793296), (280, 750798), (315, 667376), (318, 661080), (336, 625665), (360, 583954), (371, 566640), (420, 500532), (424, 495810), (477, 440720), (504, 417110), (530, 396648), (560, 375399), (630, 333688), (636, 330540), (720, 291977), (742, 283320), (787, 267120), (795, 264432), (840, 250266), (848, 247905), (954, 220360), (1008, 208555), (1060, 198324), (1113, 188880), (1260, 166844), (1272, 165270), (1484, 141660), (1574, 133560), (1590, 132216), (1680, 125133), (1855, 113328), (1908, 110180), (2120, 99162), (2226, 94440), (2361, 89040), (2385, 88144), (2520, 83422), (2544, 82635), (2968, 70830), (3148, 66780), (3180, 66108), (3339, 62960), (3710, 56664), (3816, 55090), (3935, 53424), (4240, 49581), (4452, 47220), (4722, 44520), (4770, 44072), (5040, 41711), (5509, 38160), (5565, 37776), (5936, 35415), (6296, 33390), (6360, 33054), (6678, 31480), (7083, 29680), (7420, 28332), (7632, 27545), (7870, 26712), (8904, 23610), (9444, 22260), (9540, 22036), (11018, 19080), (11130, 18888), (11805, 17808), (12592, 16695), (12720, 16527), (13356, 15740), (14166, 14840)]