280649820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:137

約数の個数: 288

約数和(自身を含む): 943810560

約数和(自身を除く): 663160740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 31, 33, 43, 44, 55, 58, 60, 62, 66, 86, 87, 93, 110, 116, 121, 124, 129, 132, 145, 155, 165, 172, 174, 186, 215, 220, 242, 258, 290, 310, 319, 330, 341, 348, 363, 372, 430, 435, 465, 473, 484, 516, 580, 605, 620, 638, 645, 660, 682, 726, 860, 870, 899, 930, 946, 957, 1023, 1210, 1247, 1276, 1290, 1333, 1364, 1419, 1452, 1595, 1705, 1740, 1798, 1815, 1860, 1892, 1914, 2046, 2365, 2420, 2494, 2580, 2666, 2697, 2838, 3190, 3410, 3509, 3596, 3630, 3741, 3751, 3828, 3999, 4092, 4495, 4730, 4785, 4988, 5115, 5203, 5332, 5394, 5676, 6235, 6380, 6665, 6820, 7018, 7095, 7260, 7482, 7502, 7998, 8990, 9460, 9570, 9889, 10230, 10406, 10527, 10788, 11253, 12470, 13330, 13485, 13717, 14036, 14190, 14663, 14964, 15004, 15609, 15996, 17545, 17980, 18705, 18755, 19140, 19778, 19995, 20460, 20812, 21054, 22506, 24940, 26015, 26660, 26970, 27434, 28380, 29326, 29667, 31218, 35090, 37410, 37510, 38657, 39556, 39990, 41151, 42108, 43989, 45012, 49445, 52030, 52635, 53940, 54868, 56265, 58652, 59334, 62436, 68585, 70180, 73315, 74820, 75020, 77314, 78045, 79980, 82302, 87978, 98890, 104060, 105270, 108779, 112530, 115971, 118668, 137170, 146630, 148335, 150887, 154628, 156090, 161293, 164604, 175956, 193285, 197780, 205755, 210540, 217558, 219945, 225060, 231942, 274340, 293260, 296670, 301774, 312180, 322586, 326337, 386570, 411510, 425227, 435116, 439890, 452661, 463884, 483879, 543895, 579855, 593340, 603548, 645172, 652674, 754435, 773140, 806465, 823020, 850454, 879780, 905322, 967758, 1087790, 1159710, 1275681, 1305348, 1508870, 1612930, 1631685, 1700908, 1810644, 1935516, 2126135, 2175580, 2263305, 2319420, 2419395, 2551362, 3017740, 3225860, 3263370, 4252270, 4526610, 4677497, 4838790, 5102724, 6378405, 6526740, 8504540, 9053220, 9354994, 9677580, 12756810, 14032491, 18709988, 23387485, 25513620, 28064982, 46774970, 56129964, 70162455, 93549940, 140324910, 280649820]

約数ペア:

[(1, 280649820), (2, 140324910), (3, 93549940), (4, 70162455), (5, 56129964), (6, 46774970), (10, 28064982), (11, 25513620), (12, 23387485), (15, 18709988), (20, 14032491), (22, 12756810), (29, 9677580), (30, 9354994), (31, 9053220), (33, 8504540), (43, 6526740), (44, 6378405), (55, 5102724), (58, 4838790), (60, 4677497), (62, 4526610), (66, 4252270), (86, 3263370), (87, 3225860), (93, 3017740), (110, 2551362), (116, 2419395), (121, 2319420), (124, 2263305), (129, 2175580), (132, 2126135), (145, 1935516), (155, 1810644), (165, 1700908), (172, 1631685), (174, 1612930), (186, 1508870), (215, 1305348), (220, 1275681), (242, 1159710), (258, 1087790), (290, 967758), (310, 905322), (319, 879780), (330, 850454), (341, 823020), (348, 806465), (363, 773140), (372, 754435), (430, 652674), (435, 645172), (465, 603548), (473, 593340), (484, 579855), (516, 543895), (580, 483879), (605, 463884), (620, 452661), (638, 439890), (645, 435116), (660, 425227), (682, 411510), (726, 386570), (860, 326337), (870, 322586), (899, 312180), (930, 301774), (946, 296670), (957, 293260), (1023, 274340), (1210, 231942), (1247, 225060), (1276, 219945), (1290, 217558), (1333, 210540), (1364, 205755), (1419, 197780), (1452, 193285), (1595, 175956), (1705, 164604), (1740, 161293), (1798, 156090), (1815, 154628), (1860, 150887), (1892, 148335), (1914, 146630), (2046, 137170), (2365, 118668), (2420, 115971), (2494, 112530), (2580, 108779), (2666, 105270), (2697, 104060), (2838, 98890), (3190, 87978), (3410, 82302), (3509, 79980), (3596, 78045), (3630, 77314), (3741, 75020), (3751, 74820), (3828, 73315), (3999, 70180), (4092, 68585), (4495, 62436), (4730, 59334), (4785, 58652), (4988, 56265), (5115, 54868), (5203, 53940), (5332, 52635), (5394, 52030), (5676, 49445), (6235, 45012), (6380, 43989), (6665, 42108), (6820, 41151), (7018, 39990), (7095, 39556), (7260, 38657), (7482, 37510), (7502, 37410), (7998, 35090), (8990, 31218), (9460, 29667), (9570, 29326), (9889, 28380), (10230, 27434), (10406, 26970), (10527, 26660), (10788, 26015), (11253, 24940), (12470, 22506), (13330, 21054), (13485, 20812), (13717, 20460), (14036, 19995), (14190, 19778), (14663, 19140), (14964, 18755), (15004, 18705), (15609, 17980), (15996, 17545)]