68426540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 185812704

約数和(自身を除く): 117386164

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 49, 52, 65, 70, 82, 91, 98, 130, 131, 140, 164, 182, 196, 205, 245, 260, 262, 287, 364, 410, 455, 490, 524, 533, 574, 637, 655, 820, 910, 917, 980, 1066, 1148, 1274, 1310, 1435, 1703, 1820, 1834, 2009, 2132, 2548, 2620, 2665, 2870, 3185, 3406, 3668, 3731, 4018, 4585, 5330, 5371, 5740, 6370, 6419, 6812, 7462, 8036, 8515, 9170, 10045, 10660, 10742, 11921, 12740, 12838, 14924, 17030, 18340, 18655, 20090, 21484, 23842, 25676, 26117, 26855, 32095, 34060, 37310, 37597, 40180, 47684, 52234, 53710, 59605, 64190, 69823, 74620, 75194, 83447, 104468, 107420, 119210, 128380, 130585, 139646, 150388, 166894, 187985, 238420, 261170, 263179, 279292, 333788, 349115, 375970, 417235, 488761, 522340, 526358, 698230, 751940, 834470, 977522, 1052716, 1315895, 1396460, 1668940, 1955044, 2443805, 2631790, 3421327, 4887610, 5263580, 6842654, 9775220, 13685308, 17106635, 34213270, 68426540]

約数ペア:

[(1, 68426540), (2, 34213270), (4, 17106635), (5, 13685308), (7, 9775220), (10, 6842654), (13, 5263580), (14, 4887610), (20, 3421327), (26, 2631790), (28, 2443805), (35, 1955044), (41, 1668940), (49, 1396460), (52, 1315895), (65, 1052716), (70, 977522), (82, 834470), (91, 751940), (98, 698230), (130, 526358), (131, 522340), (140, 488761), (164, 417235), (182, 375970), (196, 349115), (205, 333788), (245, 279292), (260, 263179), (262, 261170), (287, 238420), (364, 187985), (410, 166894), (455, 150388), (490, 139646), (524, 130585), (533, 128380), (574, 119210), (637, 107420), (655, 104468), (820, 83447), (910, 75194), (917, 74620), (980, 69823), (1066, 64190), (1148, 59605), (1274, 53710), (1310, 52234), (1435, 47684), (1703, 40180), (1820, 37597), (1834, 37310), (2009, 34060), (2132, 32095), (2548, 26855), (2620, 26117), (2665, 25676), (2870, 23842), (3185, 21484), (3406, 20090), (3668, 18655), (3731, 18340), (4018, 17030), (4585, 14924), (5330, 12838), (5371, 12740), (5740, 11921), (6370, 10742), (6419, 10660), (6812, 10045), (7462, 9170), (8036, 8515)]