19906732320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{41849}}^1$

素因数の和:42858

約数の個数: 96

約数和(自身を含む): 62770982400

約数和(自身を除く): 42864250080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 991, 1982, 2973, 3964, 4955, 5946, 7928, 9910, 11892, 14865, 15856, 19820, 23784, 29730, 31712, 39640, 41849, 47568, 59460, 79280, 83698, 95136, 118920, 125547, 158560, 167396, 209245, 237840, 251094, 334792, 418490, 475680, 502188, 627735, 669584, 836980, 1004376, 1255470, 1339168, 1673960, 2008752, 2510940, 3347920, 4017504, 5021880, 6695840, 10043760, 20087520, 41472359, 82944718, 124417077, 165889436, 207361795, 248834154, 331778872, 414723590, 497668308, 622085385, 663557744, 829447180, 995336616, 1244170770, 1327115488, 1658894360, 1990673232, 2488341540, 3317788720, 3981346464, 4976683080, 6635577440, 9953366160, 19906732320]

約数ペア:

[(1, 19906732320), (2, 9953366160), (3, 6635577440), (4, 4976683080), (5, 3981346464), (6, 3317788720), (8, 2488341540), (10, 1990673232), (12, 1658894360), (15, 1327115488), (16, 1244170770), (20, 995336616), (24, 829447180), (30, 663557744), (32, 622085385), (40, 497668308), (48, 414723590), (60, 331778872), (80, 248834154), (96, 207361795), (120, 165889436), (160, 124417077), (240, 82944718), (480, 41472359), (991, 20087520), (1982, 10043760), (2973, 6695840), (3964, 5021880), (4955, 4017504), (5946, 3347920), (7928, 2510940), (9910, 2008752), (11892, 1673960), (14865, 1339168), (15856, 1255470), (19820, 1004376), (23784, 836980), (29730, 669584), (31712, 627735), (39640, 502188), (41849, 475680), (47568, 418490), (59460, 334792), (79280, 251094), (83698, 237840), (95136, 209245), (118920, 167396), (125547, 158560)]