74655180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 242161920

約数和(自身を除く): 167506740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 83, 90, 95, 114, 166, 171, 180, 190, 228, 249, 263, 285, 332, 342, 380, 415, 498, 526, 570, 684, 747, 789, 830, 855, 996, 1052, 1140, 1245, 1315, 1494, 1577, 1578, 1660, 1710, 2367, 2490, 2630, 2988, 3154, 3156, 3420, 3735, 3945, 4731, 4734, 4980, 4997, 5260, 6308, 7470, 7885, 7890, 9462, 9468, 9994, 11835, 14193, 14940, 14991, 15770, 15780, 18924, 19988, 21829, 23655, 23670, 24985, 28386, 29982, 31540, 43658, 44973, 47310, 47340, 49970, 56772, 59964, 65487, 70965, 74955, 87316, 89946, 94620, 99940, 109145, 130974, 141930, 149910, 179892, 196461, 218290, 224865, 261948, 283860, 299820, 327435, 392922, 414751, 436580, 449730, 654870, 785844, 829502, 899460, 982305, 1244253, 1309740, 1659004, 1964610, 2073755, 2488506, 3732759, 3929220, 4147510, 4977012, 6221265, 7465518, 8295020, 12442530, 14931036, 18663795, 24885060, 37327590, 74655180]

約数ペア:

[(1, 74655180), (2, 37327590), (3, 24885060), (4, 18663795), (5, 14931036), (6, 12442530), (9, 8295020), (10, 7465518), (12, 6221265), (15, 4977012), (18, 4147510), (19, 3929220), (20, 3732759), (30, 2488506), (36, 2073755), (38, 1964610), (45, 1659004), (57, 1309740), (60, 1244253), (76, 982305), (83, 899460), (90, 829502), (95, 785844), (114, 654870), (166, 449730), (171, 436580), (180, 414751), (190, 392922), (228, 327435), (249, 299820), (263, 283860), (285, 261948), (332, 224865), (342, 218290), (380, 196461), (415, 179892), (498, 149910), (526, 141930), (570, 130974), (684, 109145), (747, 99940), (789, 94620), (830, 89946), (855, 87316), (996, 74955), (1052, 70965), (1140, 65487), (1245, 59964), (1315, 56772), (1494, 49970), (1577, 47340), (1578, 47310), (1660, 44973), (1710, 43658), (2367, 31540), (2490, 29982), (2630, 28386), (2988, 24985), (3154, 23670), (3156, 23655), (3420, 21829), (3735, 19988), (3945, 18924), (4731, 15780), (4734, 15770), (4980, 14991), (4997, 14940), (5260, 14193), (6308, 11835), (7470, 9994), (7885, 9468), (7890, 9462)]