489690880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:143

約数の個数: 288

約数和(自身を含む): 1450487808

約数和(自身を除く): 960796928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 41, 43, 56, 62, 64, 70, 80, 82, 86, 112, 124, 128, 140, 155, 160, 164, 172, 205, 215, 217, 224, 248, 256, 280, 287, 301, 310, 320, 328, 344, 410, 430, 434, 448, 496, 560, 574, 602, 620, 640, 656, 688, 820, 860, 868, 896, 992, 1085, 1120, 1148, 1204, 1240, 1271, 1280, 1312, 1333, 1376, 1435, 1505, 1640, 1720, 1736, 1763, 1792, 1984, 2170, 2240, 2296, 2408, 2480, 2542, 2624, 2666, 2752, 2870, 3010, 3280, 3440, 3472, 3526, 3968, 4340, 4480, 4592, 4816, 4960, 5084, 5248, 5332, 5504, 5740, 6020, 6355, 6560, 6665, 6880, 6944, 7052, 7936, 8680, 8815, 8897, 8960, 9184, 9331, 9632, 9920, 10168, 10496, 10664, 11008, 11480, 12040, 12341, 12710, 13120, 13330, 13760, 13888, 14104, 17360, 17630, 17794, 18368, 18662, 19264, 19840, 20336, 21328, 22960, 24080, 24682, 25420, 26240, 26660, 27520, 27776, 28208, 34720, 35260, 35588, 36736, 37324, 38528, 39680, 40672, 42656, 44485, 45920, 46655, 48160, 49364, 50840, 52480, 53320, 54653, 55040, 55552, 56416, 61705, 69440, 70520, 71176, 73472, 74648, 77056, 81344, 85312, 88970, 91840, 93310, 96320, 98728, 101680, 106640, 109306, 112832, 123410, 138880, 141040, 142352, 149296, 162688, 170624, 177940, 183680, 186620, 192640, 197456, 203360, 213280, 218612, 225664, 246820, 273265, 277760, 282080, 284704, 298592, 325376, 341248, 355880, 367360, 373240, 382571, 385280, 394912, 406720, 426560, 437224, 451328, 493640, 546530, 564160, 569408, 597184, 711760, 746480, 765142, 789824, 813440, 853120, 874448, 987280, 1093060, 1128320, 1138816, 1194368, 1423520, 1492960, 1530284, 1579648, 1626880, 1706240, 1748896, 1912855, 1974560, 2186120, 2256640, 2277632, 2388736, 2847040, 2985920, 3060568, 3159296, 3497792, 3825710, 3949120, 4372240, 5694080, 5971840, 6121136, 6995584, 7651420, 7898240, 8744480, 11388160, 11943680, 12242272, 13991168, 15302840, 15796480, 17488960, 24484544, 30605680, 34977920, 48969088, 61211360, 69955840, 97938176, 122422720, 244845440, 489690880]

約数ペア:

[(1, 489690880), (2, 244845440), (4, 122422720), (5, 97938176), (7, 69955840), (8, 61211360), (10, 48969088), (14, 34977920), (16, 30605680), (20, 24484544), (28, 17488960), (31, 15796480), (32, 15302840), (35, 13991168), (40, 12242272), (41, 11943680), (43, 11388160), (56, 8744480), (62, 7898240), (64, 7651420), (70, 6995584), (80, 6121136), (82, 5971840), (86, 5694080), (112, 4372240), (124, 3949120), (128, 3825710), (140, 3497792), (155, 3159296), (160, 3060568), (164, 2985920), (172, 2847040), (205, 2388736), (215, 2277632), (217, 2256640), (224, 2186120), (248, 1974560), (256, 1912855), (280, 1748896), (287, 1706240), (301, 1626880), (310, 1579648), (320, 1530284), (328, 1492960), (344, 1423520), (410, 1194368), (430, 1138816), (434, 1128320), (448, 1093060), (496, 987280), (560, 874448), (574, 853120), (602, 813440), (620, 789824), (640, 765142), (656, 746480), (688, 711760), (820, 597184), (860, 569408), (868, 564160), (896, 546530), (992, 493640), (1085, 451328), (1120, 437224), (1148, 426560), (1204, 406720), (1240, 394912), (1271, 385280), (1280, 382571), (1312, 373240), (1333, 367360), (1376, 355880), (1435, 341248), (1505, 325376), (1640, 298592), (1720, 284704), (1736, 282080), (1763, 277760), (1792, 273265), (1984, 246820), (2170, 225664), (2240, 218612), (2296, 213280), (2408, 203360), (2480, 197456), (2542, 192640), (2624, 186620), (2666, 183680), (2752, 177940), (2870, 170624), (3010, 162688), (3280, 149296), (3440, 142352), (3472, 141040), (3526, 138880), (3968, 123410), (4340, 112832), (4480, 109306), (4592, 106640), (4816, 101680), (4960, 98728), (5084, 96320), (5248, 93310), (5332, 91840), (5504, 88970), (5740, 85312), (6020, 81344), (6355, 77056), (6560, 74648), (6665, 73472), (6880, 71176), (6944, 70520), (7052, 69440), (7936, 61705), (8680, 56416), (8815, 55552), (8897, 55040), (8960, 54653), (9184, 53320), (9331, 52480), (9632, 50840), (9920, 49364), (10168, 48160), (10496, 46655), (10664, 45920), (11008, 44485), (11480, 42656), (12040, 40672), (12341, 39680), (12710, 38528), (13120, 37324), (13330, 36736), (13760, 35588), (13888, 35260), (14104, 34720), (17360, 28208), (17630, 27776), (17794, 27520), (18368, 26660), (18662, 26240), (19264, 25420), (19840, 24682), (20336, 24080), (21328, 22960)]