1891470720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11069}}^1$

素因数の和:11180

約数の個数: 128

約数和(自身を含む): 6097356000

約数和(自身を除く): 4205885280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 128, 160, 178, 192, 240, 267, 320, 356, 384, 445, 480, 534, 640, 712, 890, 960, 1068, 1335, 1424, 1780, 1920, 2136, 2670, 2848, 3560, 4272, 5340, 5696, 7120, 8544, 10680, 11069, 11392, 14240, 17088, 21360, 22138, 28480, 33207, 34176, 42720, 44276, 55345, 56960, 66414, 85440, 88552, 110690, 132828, 166035, 170880, 177104, 221380, 265656, 332070, 354208, 442760, 531312, 664140, 708416, 885520, 985141, 1062624, 1328280, 1416832, 1771040, 1970282, 2125248, 2656560, 2955423, 3542080, 3940564, 4250496, 4925705, 5313120, 5910846, 7084160, 7881128, 9851410, 10626240, 11821692, 14777115, 15762256, 19702820, 21252480, 23643384, 29554230, 31524512, 39405640, 47286768, 59108460, 63049024, 78811280, 94573536, 118216920, 126098048, 157622560, 189147072, 236433840, 315245120, 378294144, 472867680, 630490240, 945735360, 1891470720]

約数ペア:

[(1, 1891470720), (2, 945735360), (3, 630490240), (4, 472867680), (5, 378294144), (6, 315245120), (8, 236433840), (10, 189147072), (12, 157622560), (15, 126098048), (16, 118216920), (20, 94573536), (24, 78811280), (30, 63049024), (32, 59108460), (40, 47286768), (48, 39405640), (60, 31524512), (64, 29554230), (80, 23643384), (89, 21252480), (96, 19702820), (120, 15762256), (128, 14777115), (160, 11821692), (178, 10626240), (192, 9851410), (240, 7881128), (267, 7084160), (320, 5910846), (356, 5313120), (384, 4925705), (445, 4250496), (480, 3940564), (534, 3542080), (640, 2955423), (712, 2656560), (890, 2125248), (960, 1970282), (1068, 1771040), (1335, 1416832), (1424, 1328280), (1780, 1062624), (1920, 985141), (2136, 885520), (2670, 708416), (2848, 664140), (3560, 531312), (4272, 442760), (5340, 354208), (5696, 332070), (7120, 265656), (8544, 221380), (10680, 177104), (11069, 170880), (11392, 166035), (14240, 132828), (17088, 110690), (21360, 88552), (22138, 85440), (28480, 66414), (33207, 56960), (34176, 55345), (42720, 44276)]