78001740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 250967808

約数和(自身を除く): 172966068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 83, 90, 92, 115, 138, 166, 180, 207, 227, 230, 249, 276, 332, 345, 414, 415, 454, 460, 498, 681, 690, 747, 828, 830, 908, 996, 1035, 1135, 1245, 1362, 1380, 1494, 1660, 1909, 2043, 2070, 2270, 2490, 2724, 2988, 3405, 3735, 3818, 4086, 4140, 4540, 4980, 5221, 5727, 6810, 7470, 7636, 8172, 9545, 10215, 10442, 11454, 13620, 14940, 15663, 17181, 18841, 19090, 20430, 20884, 22908, 26105, 28635, 31326, 34362, 37682, 38180, 40860, 46989, 52210, 56523, 57270, 62652, 68724, 75364, 78315, 85905, 93978, 94205, 104420, 113046, 114540, 156630, 169569, 171810, 187956, 188410, 226092, 234945, 282615, 313260, 339138, 343620, 376820, 433343, 469890, 565230, 678276, 847845, 866686, 939780, 1130460, 1300029, 1695690, 1733372, 2166715, 2600058, 3391380, 3900087, 4333430, 5200116, 6500145, 7800174, 8666860, 13000290, 15600348, 19500435, 26000580, 39000870, 78001740]

約数ペア:

[(1, 78001740), (2, 39000870), (3, 26000580), (4, 19500435), (5, 15600348), (6, 13000290), (9, 8666860), (10, 7800174), (12, 6500145), (15, 5200116), (18, 4333430), (20, 3900087), (23, 3391380), (30, 2600058), (36, 2166715), (45, 1733372), (46, 1695690), (60, 1300029), (69, 1130460), (83, 939780), (90, 866686), (92, 847845), (115, 678276), (138, 565230), (166, 469890), (180, 433343), (207, 376820), (227, 343620), (230, 339138), (249, 313260), (276, 282615), (332, 234945), (345, 226092), (414, 188410), (415, 187956), (454, 171810), (460, 169569), (498, 156630), (681, 114540), (690, 113046), (747, 104420), (828, 94205), (830, 93978), (908, 85905), (996, 78315), (1035, 75364), (1135, 68724), (1245, 62652), (1362, 57270), (1380, 56523), (1494, 52210), (1660, 46989), (1909, 40860), (2043, 38180), (2070, 37682), (2270, 34362), (2490, 31326), (2724, 28635), (2988, 26105), (3405, 22908), (3735, 20884), (3818, 20430), (4086, 19090), (4140, 18841), (4540, 17181), (4980, 15663), (5221, 14940), (5727, 13620), (6810, 11454), (7470, 10442), (7636, 10215), (8172, 9545)]