255348720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{977}}^1$

素因数の和:1021

約数の個数: 240

約数和(自身を含む): 967750560

約数和(自身を除く): 712401840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 121, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 242, 264, 270, 297, 330, 360, 363, 396, 432, 440, 484, 495, 528, 540, 594, 605, 660, 720, 726, 792, 880, 968, 977, 990, 1080, 1089, 1188, 1210, 1320, 1452, 1485, 1584, 1815, 1936, 1954, 1980, 2160, 2178, 2376, 2420, 2640, 2904, 2931, 2970, 3267, 3630, 3908, 3960, 4356, 4752, 4840, 4885, 5445, 5808, 5862, 5940, 6534, 7260, 7816, 7920, 8712, 8793, 9680, 9770, 10747, 10890, 11724, 11880, 13068, 14520, 14655, 15632, 16335, 17424, 17586, 19540, 21494, 21780, 23448, 23760, 26136, 26379, 29040, 29310, 32241, 32670, 35172, 39080, 42988, 43560, 43965, 46896, 52272, 52758, 53735, 58620, 64482, 65340, 70344, 78160, 85976, 87120, 87930, 96723, 105516, 107470, 117240, 118217, 128964, 130680, 131895, 140688, 161205, 171952, 175860, 193446, 211032, 214940, 234480, 236434, 257928, 261360, 263790, 290169, 322410, 351720, 354651, 386892, 422064, 429880, 472868, 483615, 515856, 527580, 580338, 591085, 644820, 703440, 709302, 773784, 859760, 945736, 967230, 1055160, 1063953, 1160676, 1182170, 1289640, 1418604, 1450845, 1547568, 1773255, 1891472, 1934460, 2110320, 2127906, 2321352, 2364340, 2579280, 2837208, 2901690, 3191859, 3546510, 3868920, 4255812, 4642704, 4728680, 5319765, 5674416, 5803380, 6383718, 7093020, 7737840, 8511624, 9457360, 10639530, 11606760, 12767436, 14186040, 15959295, 17023248, 21279060, 23213520, 25534872, 28372080, 31918590, 42558120, 51069744, 63837180, 85116240, 127674360, 255348720]

約数ペア:

[(1, 255348720), (2, 127674360), (3, 85116240), (4, 63837180), (5, 51069744), (6, 42558120), (8, 31918590), (9, 28372080), (10, 25534872), (11, 23213520), (12, 21279060), (15, 17023248), (16, 15959295), (18, 14186040), (20, 12767436), (22, 11606760), (24, 10639530), (27, 9457360), (30, 8511624), (33, 7737840), (36, 7093020), (40, 6383718), (44, 5803380), (45, 5674416), (48, 5319765), (54, 4728680), (55, 4642704), (60, 4255812), (66, 3868920), (72, 3546510), (80, 3191859), (88, 2901690), (90, 2837208), (99, 2579280), (108, 2364340), (110, 2321352), (120, 2127906), (121, 2110320), (132, 1934460), (135, 1891472), (144, 1773255), (165, 1547568), (176, 1450845), (180, 1418604), (198, 1289640), (216, 1182170), (220, 1160676), (240, 1063953), (242, 1055160), (264, 967230), (270, 945736), (297, 859760), (330, 773784), (360, 709302), (363, 703440), (396, 644820), (432, 591085), (440, 580338), (484, 527580), (495, 515856), (528, 483615), (540, 472868), (594, 429880), (605, 422064), (660, 386892), (720, 354651), (726, 351720), (792, 322410), (880, 290169), (968, 263790), (977, 261360), (990, 257928), (1080, 236434), (1089, 234480), (1188, 214940), (1210, 211032), (1320, 193446), (1452, 175860), (1485, 171952), (1584, 161205), (1815, 140688), (1936, 131895), (1954, 130680), (1980, 128964), (2160, 118217), (2178, 117240), (2376, 107470), (2420, 105516), (2640, 96723), (2904, 87930), (2931, 87120), (2970, 85976), (3267, 78160), (3630, 70344), (3908, 65340), (3960, 64482), (4356, 58620), (4752, 53735), (4840, 52758), (4885, 52272), (5445, 46896), (5808, 43965), (5862, 43560), (5940, 42988), (6534, 39080), (7260, 35172), (7816, 32670), (7920, 32241), (8712, 29310), (8793, 29040), (9680, 26379), (9770, 26136), (10747, 23760), (10890, 23448), (11724, 21780), (11880, 21494), (13068, 19540), (14520, 17586), (14655, 17424), (15632, 16335)]