178883120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 120

約数和(自身を含む): 458287632

約数和(自身を除く): 279404512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 131, 169, 202, 208, 260, 262, 338, 404, 505, 520, 524, 655, 676, 808, 845, 1010, 1040, 1048, 1310, 1313, 1352, 1616, 1690, 1703, 2020, 2096, 2620, 2626, 2704, 3380, 3406, 4040, 5240, 5252, 6565, 6760, 6812, 8080, 8515, 10480, 10504, 13130, 13231, 13520, 13624, 17030, 17069, 21008, 22139, 26260, 26462, 27248, 34060, 34138, 44278, 52520, 52924, 66155, 68120, 68276, 85345, 88556, 105040, 105848, 110695, 132310, 136240, 136552, 170690, 172003, 177112, 211696, 221390, 264620, 273104, 341380, 344006, 354224, 442780, 529240, 682760, 688012, 860015, 885560, 1058480, 1365520, 1376024, 1720030, 1771120, 2236039, 2752048, 3440060, 4472078, 6880120, 8944156, 11180195, 13760240, 17888312, 22360390, 35776624, 44720780, 89441560, 178883120]

約数ペア:

[(1, 178883120), (2, 89441560), (4, 44720780), (5, 35776624), (8, 22360390), (10, 17888312), (13, 13760240), (16, 11180195), (20, 8944156), (26, 6880120), (40, 4472078), (52, 3440060), (65, 2752048), (80, 2236039), (101, 1771120), (104, 1720030), (130, 1376024), (131, 1365520), (169, 1058480), (202, 885560), (208, 860015), (260, 688012), (262, 682760), (338, 529240), (404, 442780), (505, 354224), (520, 344006), (524, 341380), (655, 273104), (676, 264620), (808, 221390), (845, 211696), (1010, 177112), (1040, 172003), (1048, 170690), (1310, 136552), (1313, 136240), (1352, 132310), (1616, 110695), (1690, 105848), (1703, 105040), (2020, 88556), (2096, 85345), (2620, 68276), (2626, 68120), (2704, 66155), (3380, 52924), (3406, 52520), (4040, 44278), (5240, 34138), (5252, 34060), (6565, 27248), (6760, 26462), (6812, 26260), (8080, 22139), (8515, 21008), (10480, 17069), (10504, 17030), (13130, 13624), (13231, 13520)]