281238720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{41851}}^1$

素因数の和:41878

約数の個数: 112

約数和(自身を含む): 1020519168

約数和(自身を除く): 739280448

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, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 41851, 83702, 125553, 167404, 209255, 251106, 292957, 334808, 418510, 502212, 585914, 627765, 669616, 837020, 878871, 1004424, 1171828, 1255530, 1339232, 1464785, 1674040, 1757742, 2008848, 2343656, 2511060, 2678464, 2929570, 3348080, 3515484, 4017696, 4394355, 4687312, 5022120, 5859140, 6696160, 7030968, 8035392, 8788710, 9374624, 10044240, 11718280, 13392320, 14061936, 17577420, 18749248, 20088480, 23436560, 28123872, 35154840, 40176960, 46873120, 56247744, 70309680, 93746240, 140619360, 281238720]

約数ペア:

[(1, 281238720), (2, 140619360), (3, 93746240), (4, 70309680), (5, 56247744), (6, 46873120), (7, 40176960), (8, 35154840), (10, 28123872), (12, 23436560), (14, 20088480), (15, 18749248), (16, 17577420), (20, 14061936), (21, 13392320), (24, 11718280), (28, 10044240), (30, 9374624), (32, 8788710), (35, 8035392), (40, 7030968), (42, 6696160), (48, 5859140), (56, 5022120), (60, 4687312), (64, 4394355), (70, 4017696), (80, 3515484), (84, 3348080), (96, 2929570), (105, 2678464), (112, 2511060), (120, 2343656), (140, 2008848), (160, 1757742), (168, 1674040), (192, 1464785), (210, 1339232), (224, 1255530), (240, 1171828), (280, 1004424), (320, 878871), (336, 837020), (420, 669616), (448, 627765), (480, 585914), (560, 502212), (672, 418510), (840, 334808), (960, 292957), (1120, 251106), (1344, 209255), (1680, 167404), (2240, 125553), (3360, 83702), (6720, 41851)]