489980960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{827}}^1$

素因数の和:895

約数の個数: 144

約数和(自身を含む): 1384641216

約数和(自身を除く): 894660256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 529, 560, 644, 736, 805, 827, 920, 1058, 1120, 1288, 1610, 1654, 1840, 2116, 2576, 2645, 3220, 3308, 3680, 3703, 4135, 4232, 5152, 5290, 5789, 6440, 6616, 7406, 8270, 8464, 10580, 11578, 12880, 13232, 14812, 16540, 16928, 18515, 19021, 21160, 23156, 25760, 26464, 28945, 29624, 33080, 37030, 38042, 42320, 46312, 57890, 59248, 66160, 74060, 76084, 84640, 92624, 95105, 115780, 118496, 132320, 133147, 148120, 152168, 185248, 190210, 231560, 266294, 296240, 304336, 380420, 437483, 463120, 532588, 592480, 608672, 665735, 760840, 874966, 926240, 1065176, 1331470, 1521680, 1749932, 2130352, 2187415, 2662940, 3043360, 3062381, 3499864, 4260704, 4374830, 5325880, 6124762, 6999728, 8749660, 10651760, 12249524, 13999456, 15311905, 17499320, 21303520, 24499048, 30623810, 34998640, 48998096, 61247620, 69997280, 97996192, 122495240, 244990480, 489980960]

約数ペア:

[(1, 489980960), (2, 244990480), (4, 122495240), (5, 97996192), (7, 69997280), (8, 61247620), (10, 48998096), (14, 34998640), (16, 30623810), (20, 24499048), (23, 21303520), (28, 17499320), (32, 15311905), (35, 13999456), (40, 12249524), (46, 10651760), (56, 8749660), (70, 6999728), (80, 6124762), (92, 5325880), (112, 4374830), (115, 4260704), (140, 3499864), (160, 3062381), (161, 3043360), (184, 2662940), (224, 2187415), (230, 2130352), (280, 1749932), (322, 1521680), (368, 1331470), (460, 1065176), (529, 926240), (560, 874966), (644, 760840), (736, 665735), (805, 608672), (827, 592480), (920, 532588), (1058, 463120), (1120, 437483), (1288, 380420), (1610, 304336), (1654, 296240), (1840, 266294), (2116, 231560), (2576, 190210), (2645, 185248), (3220, 152168), (3308, 148120), (3680, 133147), (3703, 132320), (4135, 118496), (4232, 115780), (5152, 95105), (5290, 92624), (5789, 84640), (6440, 76084), (6616, 74060), (7406, 66160), (8270, 59248), (8464, 57890), (10580, 46312), (11578, 42320), (12880, 38042), (13232, 37030), (14812, 33080), (16540, 29624), (16928, 28945), (18515, 26464), (19021, 25760), (21160, 23156)]