826678620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 2561963040

約数和(自身を除く): 1735284420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 113, 180, 194, 226, 291, 339, 388, 419, 452, 485, 565, 582, 678, 838, 873, 970, 1017, 1130, 1164, 1257, 1356, 1455, 1676, 1695, 1746, 1940, 2034, 2095, 2260, 2514, 2910, 3390, 3492, 3771, 4068, 4190, 4365, 5028, 5085, 5820, 6285, 6780, 7542, 8380, 8730, 10170, 10961, 12570, 15084, 17460, 18855, 20340, 21922, 25140, 32883, 37710, 40643, 43844, 47347, 54805, 65766, 75420, 81286, 94694, 98649, 109610, 121929, 131532, 142041, 162572, 164415, 189388, 197298, 203215, 219220, 236735, 243858, 284082, 328830, 365787, 394596, 406430, 426123, 473470, 487716, 493245, 568164, 609645, 657660, 710205, 731574, 812860, 852246, 946940, 986490, 1219290, 1420410, 1463148, 1704492, 1828935, 1972980, 2130615, 2438580, 2840820, 3657870, 4261230, 4592659, 7315740, 8522460, 9185318, 13777977, 18370636, 22963295, 27555954, 41333931, 45926590, 55111908, 68889885, 82667862, 91853180, 137779770, 165335724, 206669655, 275559540, 413339310, 826678620]

約数ペア:

[(1, 826678620), (2, 413339310), (3, 275559540), (4, 206669655), (5, 165335724), (6, 137779770), (9, 91853180), (10, 82667862), (12, 68889885), (15, 55111908), (18, 45926590), (20, 41333931), (30, 27555954), (36, 22963295), (45, 18370636), (60, 13777977), (90, 9185318), (97, 8522460), (113, 7315740), (180, 4592659), (194, 4261230), (226, 3657870), (291, 2840820), (339, 2438580), (388, 2130615), (419, 1972980), (452, 1828935), (485, 1704492), (565, 1463148), (582, 1420410), (678, 1219290), (838, 986490), (873, 946940), (970, 852246), (1017, 812860), (1130, 731574), (1164, 710205), (1257, 657660), (1356, 609645), (1455, 568164), (1676, 493245), (1695, 487716), (1746, 473470), (1940, 426123), (2034, 406430), (2095, 394596), (2260, 365787), (2514, 328830), (2910, 284082), (3390, 243858), (3492, 236735), (3771, 219220), (4068, 203215), (4190, 197298), (4365, 189388), (5028, 164415), (5085, 162572), (5820, 142041), (6285, 131532), (6780, 121929), (7542, 109610), (8380, 98649), (8730, 94694), (10170, 81286), (10961, 75420), (12570, 65766), (15084, 54805), (17460, 47347), (18855, 43844), (20340, 40643), (21922, 37710), (25140, 32883)]