256357440

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{29671}}^1$

素因数の和:29697

約数の個数: 112

約数和(自身を含む): 904402560

約数和(自身を除く): 648045120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 29671, 59342, 89013, 118684, 148355, 178026, 237368, 267039, 296710, 356052, 445065, 474736, 534078, 593420, 712104, 801117, 890130, 949472, 1068156, 1186840, 1335195, 1424208, 1602234, 1780260, 1898944, 2136312, 2373680, 2670390, 2848416, 3204468, 3560520, 4005585, 4272624, 4747360, 5340780, 5696832, 6408936, 7121040, 8011170, 8545248, 9494720, 10681560, 12817872, 14242080, 16022340, 17090496, 21363120, 25635744, 28484160, 32044680, 42726240, 51271488, 64089360, 85452480, 128178720, 256357440]

約数ペア:

[(1, 256357440), (2, 128178720), (3, 85452480), (4, 64089360), (5, 51271488), (6, 42726240), (8, 32044680), (9, 28484160), (10, 25635744), (12, 21363120), (15, 17090496), (16, 16022340), (18, 14242080), (20, 12817872), (24, 10681560), (27, 9494720), (30, 8545248), (32, 8011170), (36, 7121040), (40, 6408936), (45, 5696832), (48, 5340780), (54, 4747360), (60, 4272624), (64, 4005585), (72, 3560520), (80, 3204468), (90, 2848416), (96, 2670390), (108, 2373680), (120, 2136312), (135, 1898944), (144, 1780260), (160, 1602234), (180, 1424208), (192, 1335195), (216, 1186840), (240, 1068156), (270, 949472), (288, 890130), (320, 801117), (360, 712104), (432, 593420), (480, 534078), (540, 474736), (576, 445065), (720, 356052), (864, 296710), (960, 267039), (1080, 237368), (1440, 178026), (1728, 148355), (2160, 118684), (2880, 89013), (4320, 59342), (8640, 29671)]