1557709440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{115901}}^1$

素因数の和:115930

約数の個数: 128

約数和(自身を含む): 5674561920

約数和(自身を除く): 4116852480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 115901, 231802, 347703, 463604, 579505, 695406, 811307, 927208, 1159010, 1390812, 1622614, 1738515, 1854416, 2318020, 2433921, 2781624, 3245228, 3477030, 3708832, 4056535, 4636040, 4867842, 5563248, 6490456, 6954060, 7417664, 8113070, 9272080, 9735684, 11126496, 12169605, 12980912, 13908120, 14835328, 16226140, 18544160, 19471368, 22252992, 24339210, 25961824, 27816240, 32452280, 37088320, 38942736, 44505984, 48678420, 51923648, 55632480, 64904560, 74176640, 77885472, 97356840, 103847296, 111264960, 129809120, 155770944, 194713680, 222529920, 259618240, 311541888, 389427360, 519236480, 778854720, 1557709440]

約数ペア:

[(1, 1557709440), (2, 778854720), (3, 519236480), (4, 389427360), (5, 311541888), (6, 259618240), (7, 222529920), (8, 194713680), (10, 155770944), (12, 129809120), (14, 111264960), (15, 103847296), (16, 97356840), (20, 77885472), (21, 74176640), (24, 64904560), (28, 55632480), (30, 51923648), (32, 48678420), (35, 44505984), (40, 38942736), (42, 37088320), (48, 32452280), (56, 27816240), (60, 25961824), (64, 24339210), (70, 22252992), (80, 19471368), (84, 18544160), (96, 16226140), (105, 14835328), (112, 13908120), (120, 12980912), (128, 12169605), (140, 11126496), (160, 9735684), (168, 9272080), (192, 8113070), (210, 7417664), (224, 6954060), (240, 6490456), (280, 5563248), (320, 4867842), (336, 4636040), (384, 4056535), (420, 3708832), (448, 3477030), (480, 3245228), (560, 2781624), (640, 2433921), (672, 2318020), (840, 1854416), (896, 1738515), (960, 1622614), (1120, 1390812), (1344, 1159010), (1680, 927208), (1920, 811307), (2240, 695406), (2688, 579505), (3360, 463604), (4480, 347703), (6720, 231802), (13440, 115901)]