79978140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1360

約数の個数: 144

約数和(自身を含む): 273401856

約数和(自身を除く): 193423716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 930, 990, 1023, 1116, 1303, 1364, 1395, 1705, 1860, 1980, 2046, 2606, 2790, 3069, 3410, 3909, 4092, 5115, 5212, 5580, 6138, 6515, 6820, 7818, 10230, 11727, 12276, 13030, 14333, 15345, 15636, 19545, 20460, 23454, 26060, 28666, 30690, 39090, 40393, 42999, 46908, 57332, 58635, 61380, 71665, 78180, 80786, 85998, 117270, 121179, 128997, 143330, 161572, 171996, 201965, 214995, 234540, 242358, 257994, 286660, 363537, 403930, 429990, 444323, 484716, 515988, 605895, 644985, 727074, 807860, 859980, 888646, 1211790, 1289970, 1332969, 1454148, 1777292, 1817685, 2221615, 2423580, 2579940, 2665938, 3635370, 3998907, 4443230, 5331876, 6664845, 7270740, 7997814, 8886460, 13329690, 15995628, 19994535, 26659380, 39989070, 79978140]

約数ペア:

[(1, 79978140), (2, 39989070), (3, 26659380), (4, 19994535), (5, 15995628), (6, 13329690), (9, 8886460), (10, 7997814), (11, 7270740), (12, 6664845), (15, 5331876), (18, 4443230), (20, 3998907), (22, 3635370), (30, 2665938), (31, 2579940), (33, 2423580), (36, 2221615), (44, 1817685), (45, 1777292), (55, 1454148), (60, 1332969), (62, 1289970), (66, 1211790), (90, 888646), (93, 859980), (99, 807860), (110, 727074), (124, 644985), (132, 605895), (155, 515988), (165, 484716), (180, 444323), (186, 429990), (198, 403930), (220, 363537), (279, 286660), (310, 257994), (330, 242358), (341, 234540), (372, 214995), (396, 201965), (465, 171996), (495, 161572), (558, 143330), (620, 128997), (660, 121179), (682, 117270), (930, 85998), (990, 80786), (1023, 78180), (1116, 71665), (1303, 61380), (1364, 58635), (1395, 57332), (1705, 46908), (1860, 42999), (1980, 40393), (2046, 39090), (2606, 30690), (2790, 28666), (3069, 26060), (3410, 23454), (3909, 20460), (4092, 19545), (5115, 15636), (5212, 15345), (5580, 14333), (6138, 13030), (6515, 12276), (6820, 11727), (7818, 10230)]