71332240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:645

約数の個数: 120

約数和(自身を含む): 199487232

約数和(自身を除く): 128154992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 587, 620, 784, 868, 980, 1085, 1174, 1240, 1519, 1736, 1960, 2170, 2348, 2480, 2935, 3038, 3472, 3920, 4109, 4340, 4696, 5870, 6076, 7595, 8218, 8680, 9392, 11740, 12152, 15190, 16436, 17360, 18197, 20545, 23480, 24304, 28763, 30380, 32872, 36394, 41090, 46960, 57526, 60760, 65744, 72788, 82180, 90985, 115052, 121520, 127379, 143815, 145576, 164360, 181970, 230104, 254758, 287630, 291152, 328720, 363940, 460208, 509516, 575260, 636895, 727880, 891653, 1019032, 1150520, 1273790, 1455760, 1783306, 2038064, 2301040, 2547580, 3566612, 4458265, 5095160, 7133224, 8916530, 10190320, 14266448, 17833060, 35666120, 71332240]

約数ペア:

[(1, 71332240), (2, 35666120), (4, 17833060), (5, 14266448), (7, 10190320), (8, 8916530), (10, 7133224), (14, 5095160), (16, 4458265), (20, 3566612), (28, 2547580), (31, 2301040), (35, 2038064), (40, 1783306), (49, 1455760), (56, 1273790), (62, 1150520), (70, 1019032), (80, 891653), (98, 727880), (112, 636895), (124, 575260), (140, 509516), (155, 460208), (196, 363940), (217, 328720), (245, 291152), (248, 287630), (280, 254758), (310, 230104), (392, 181970), (434, 164360), (490, 145576), (496, 143815), (560, 127379), (587, 121520), (620, 115052), (784, 90985), (868, 82180), (980, 72788), (1085, 65744), (1174, 60760), (1240, 57526), (1519, 46960), (1736, 41090), (1960, 36394), (2170, 32872), (2348, 30380), (2480, 28763), (2935, 24304), (3038, 23480), (3472, 20545), (3920, 18197), (4109, 17360), (4340, 16436), (4696, 15190), (5870, 12152), (6076, 11740), (7595, 9392), (8218, 8680)]