71680420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 182020608

約数和(自身を除く): 110340188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 113, 115, 140, 161, 197, 226, 230, 322, 394, 452, 460, 565, 644, 788, 791, 805, 985, 1130, 1379, 1582, 1610, 1970, 2260, 2599, 2758, 3164, 3220, 3940, 3955, 4531, 5198, 5516, 6895, 7910, 9062, 10396, 12995, 13790, 15820, 18124, 18193, 22261, 22655, 25990, 27580, 31717, 36386, 44522, 45310, 51980, 63434, 72772, 89044, 90620, 90965, 111305, 126868, 155827, 158585, 181930, 222610, 311654, 317170, 363860, 445220, 512003, 623308, 634340, 779135, 1024006, 1558270, 2048012, 2560015, 3116540, 3584021, 5120030, 7168042, 10240060, 14336084, 17920105, 35840210, 71680420]

約数ペア:

[(1, 71680420), (2, 35840210), (4, 17920105), (5, 14336084), (7, 10240060), (10, 7168042), (14, 5120030), (20, 3584021), (23, 3116540), (28, 2560015), (35, 2048012), (46, 1558270), (70, 1024006), (92, 779135), (113, 634340), (115, 623308), (140, 512003), (161, 445220), (197, 363860), (226, 317170), (230, 311654), (322, 222610), (394, 181930), (452, 158585), (460, 155827), (565, 126868), (644, 111305), (788, 90965), (791, 90620), (805, 89044), (985, 72772), (1130, 63434), (1379, 51980), (1582, 45310), (1610, 44522), (1970, 36386), (2260, 31717), (2599, 27580), (2758, 25990), (3164, 22655), (3220, 22261), (3940, 18193), (3955, 18124), (4531, 15820), (5198, 13790), (5516, 12995), (6895, 10396), (7910, 9062)]