163265267120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{419317}}^1$

素因数の和:419518

約数の個数: 80

約数和(自身を含む): 394333356288

約数和(自身を除く): 231068089168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 157, 248, 310, 314, 496, 620, 628, 785, 1240, 1256, 1570, 2480, 2512, 3140, 4867, 6280, 9734, 12560, 19468, 24335, 38936, 48670, 77872, 97340, 194680, 389360, 419317, 838634, 1677268, 2096585, 3354536, 4193170, 6709072, 8386340, 12998827, 16772680, 25997654, 33545360, 51995308, 64994135, 65832769, 103990616, 129988270, 131665538, 207981232, 259976540, 263331076, 329163845, 519953080, 526662152, 658327690, 1039906160, 1053324304, 1316655380, 2040815839, 2633310760, 4081631678, 5266621520, 8163263356, 10204079195, 16326526712, 20408158390, 32653053424, 40816316780, 81632633560, 163265267120]

約数ペア:

[(1, 163265267120), (2, 81632633560), (4, 40816316780), (5, 32653053424), (8, 20408158390), (10, 16326526712), (16, 10204079195), (20, 8163263356), (31, 5266621520), (40, 4081631678), (62, 2633310760), (80, 2040815839), (124, 1316655380), (155, 1053324304), (157, 1039906160), (248, 658327690), (310, 526662152), (314, 519953080), (496, 329163845), (620, 263331076), (628, 259976540), (785, 207981232), (1240, 131665538), (1256, 129988270), (1570, 103990616), (2480, 65832769), (2512, 64994135), (3140, 51995308), (4867, 33545360), (6280, 25997654), (9734, 16772680), (12560, 12998827), (19468, 8386340), (24335, 6709072), (38936, 4193170), (48670, 3354536), (77872, 2096585), (97340, 1677268), (194680, 838634), (389360, 419317)]