230481720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:779

約数の個数: 256

約数和(自身を含む): 899712000

約数和(自身を除く): 669230280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 54, 56, 60, 63, 70, 72, 84, 86, 90, 105, 108, 120, 126, 129, 135, 140, 168, 172, 180, 189, 210, 215, 216, 252, 258, 270, 280, 301, 315, 344, 360, 378, 387, 420, 430, 504, 516, 540, 602, 630, 645, 709, 756, 774, 840, 860, 903, 945, 1032, 1080, 1161, 1204, 1260, 1290, 1418, 1505, 1512, 1548, 1720, 1806, 1890, 1935, 2127, 2322, 2408, 2520, 2580, 2709, 2836, 3010, 3096, 3545, 3612, 3780, 3870, 4254, 4515, 4644, 4963, 5160, 5418, 5672, 5805, 6020, 6381, 7090, 7224, 7560, 7740, 8127, 8508, 9030, 9288, 9926, 10635, 10836, 11610, 12040, 12762, 13545, 14180, 14889, 15480, 16254, 17016, 18060, 19143, 19852, 21270, 21672, 23220, 24815, 25524, 27090, 28360, 29778, 30487, 31905, 32508, 36120, 38286, 39704, 40635, 42540, 44667, 46440, 49630, 51048, 54180, 59556, 60974, 63810, 65016, 74445, 76572, 81270, 85080, 89334, 91461, 95715, 99260, 108360, 119112, 121948, 127620, 134001, 148890, 152435, 153144, 162540, 178668, 182922, 191430, 198520, 213409, 223335, 243896, 255240, 268002, 274383, 297780, 304870, 325080, 357336, 365844, 382860, 426818, 446670, 457305, 536004, 548766, 595560, 609740, 640227, 670005, 731688, 765720, 823149, 853636, 893340, 914610, 1067045, 1072008, 1097532, 1219480, 1280454, 1340010, 1371915, 1646298, 1707272, 1786680, 1829220, 1920681, 2134090, 2195064, 2560908, 2680020, 2743830, 3201135, 3292596, 3658440, 3841362, 4115745, 4268180, 5121816, 5360040, 5487660, 5762043, 6402270, 6585192, 7682724, 8231490, 8536360, 9603405, 10975320, 11524086, 12804540, 15365448, 16462980, 19206810, 23048172, 25609080, 28810215, 32925960, 38413620, 46096344, 57620430, 76827240, 115240860, 230481720]

約数ペア:

[(1, 230481720), (2, 115240860), (3, 76827240), (4, 57620430), (5, 46096344), (6, 38413620), (7, 32925960), (8, 28810215), (9, 25609080), (10, 23048172), (12, 19206810), (14, 16462980), (15, 15365448), (18, 12804540), (20, 11524086), (21, 10975320), (24, 9603405), (27, 8536360), (28, 8231490), (30, 7682724), (35, 6585192), (36, 6402270), (40, 5762043), (42, 5487660), (43, 5360040), (45, 5121816), (54, 4268180), (56, 4115745), (60, 3841362), (63, 3658440), (70, 3292596), (72, 3201135), (84, 2743830), (86, 2680020), (90, 2560908), (105, 2195064), (108, 2134090), (120, 1920681), (126, 1829220), (129, 1786680), (135, 1707272), (140, 1646298), (168, 1371915), (172, 1340010), (180, 1280454), (189, 1219480), (210, 1097532), (215, 1072008), (216, 1067045), (252, 914610), (258, 893340), (270, 853636), (280, 823149), (301, 765720), (315, 731688), (344, 670005), (360, 640227), (378, 609740), (387, 595560), (420, 548766), (430, 536004), (504, 457305), (516, 446670), (540, 426818), (602, 382860), (630, 365844), (645, 357336), (709, 325080), (756, 304870), (774, 297780), (840, 274383), (860, 268002), (903, 255240), (945, 243896), (1032, 223335), (1080, 213409), (1161, 198520), (1204, 191430), (1260, 182922), (1290, 178668), (1418, 162540), (1505, 153144), (1512, 152435), (1548, 148890), (1720, 134001), (1806, 127620), (1890, 121948), (1935, 119112), (2127, 108360), (2322, 99260), (2408, 95715), (2520, 91461), (2580, 89334), (2709, 85080), (2836, 81270), (3010, 76572), (3096, 74445), (3545, 65016), (3612, 63810), (3780, 60974), (3870, 59556), (4254, 54180), (4515, 51048), (4644, 49630), (4963, 46440), (5160, 44667), (5418, 42540), (5672, 40635), (5805, 39704), (6020, 38286), (6381, 36120), (7090, 32508), (7224, 31905), (7560, 30487), (7740, 29778), (8127, 28360), (8508, 27090), (9030, 25524), (9288, 24815), (9926, 23220), (10635, 21672), (10836, 21270), (11610, 19852), (12040, 19143), (12762, 18060), (13545, 17016), (14180, 16254), (14889, 15480)]