158920720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:669

約数の個数: 120

約数和(自身を含む): 436632768

約数和(自身を除く): 277712048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 560, 568, 571, 710, 784, 980, 994, 1136, 1142, 1420, 1960, 1988, 2284, 2485, 2840, 2855, 3479, 3920, 3976, 3997, 4568, 4970, 5680, 5710, 6958, 7952, 7994, 9136, 9940, 11420, 13916, 15988, 17395, 19880, 19985, 22840, 27832, 27979, 31976, 34790, 39760, 39970, 40541, 45680, 55664, 55958, 63952, 69580, 79940, 81082, 111916, 139160, 139895, 159880, 162164, 202705, 223832, 278320, 279790, 283787, 319760, 324328, 405410, 447664, 559580, 567574, 648656, 810820, 1119160, 1135148, 1418935, 1621640, 1986509, 2238320, 2270296, 2837870, 3243280, 3973018, 4540592, 5675740, 7946036, 9932545, 11351480, 15892072, 19865090, 22702960, 31784144, 39730180, 79460360, 158920720]

約数ペア:

[(1, 158920720), (2, 79460360), (4, 39730180), (5, 31784144), (7, 22702960), (8, 19865090), (10, 15892072), (14, 11351480), (16, 9932545), (20, 7946036), (28, 5675740), (35, 4540592), (40, 3973018), (49, 3243280), (56, 2837870), (70, 2270296), (71, 2238320), (80, 1986509), (98, 1621640), (112, 1418935), (140, 1135148), (142, 1119160), (196, 810820), (245, 648656), (280, 567574), (284, 559580), (355, 447664), (392, 405410), (490, 324328), (497, 319760), (560, 283787), (568, 279790), (571, 278320), (710, 223832), (784, 202705), (980, 162164), (994, 159880), (1136, 139895), (1142, 139160), (1420, 111916), (1960, 81082), (1988, 79940), (2284, 69580), (2485, 63952), (2840, 55958), (2855, 55664), (3479, 45680), (3920, 40541), (3976, 39970), (3997, 39760), (4568, 34790), (4970, 31976), (5680, 27979), (5710, 27832), (6958, 22840), (7952, 19985), (7994, 19880), (9136, 17395), (9940, 15988), (11420, 13916)]