71206380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1876

約数の個数: 144

約数和(自身を含む): 254951424

約数和(自身を除く): 183745044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1823, 1860, 1953, 2170, 2604, 2790, 3255, 3646, 3906, 4340, 5469, 5580, 6510, 7292, 7812, 9115, 9765, 10938, 12761, 13020, 16407, 18230, 19530, 21876, 25522, 27345, 32814, 36460, 38283, 39060, 51044, 54690, 56513, 63805, 65628, 76566, 82035, 109380, 113026, 114849, 127610, 153132, 164070, 169539, 191415, 226052, 229698, 255220, 282565, 328140, 339078, 382830, 395591, 459396, 508617, 565130, 574245, 678156, 765660, 791182, 847695, 1017234, 1130260, 1148490, 1186773, 1582364, 1695390, 1977955, 2034468, 2296980, 2373546, 2543085, 3390780, 3560319, 3955910, 4747092, 5086170, 5933865, 7120638, 7911820, 10172340, 11867730, 14241276, 17801595, 23735460, 35603190, 71206380]

約数ペア:

[(1, 71206380), (2, 35603190), (3, 23735460), (4, 17801595), (5, 14241276), (6, 11867730), (7, 10172340), (9, 7911820), (10, 7120638), (12, 5933865), (14, 5086170), (15, 4747092), (18, 3955910), (20, 3560319), (21, 3390780), (28, 2543085), (30, 2373546), (31, 2296980), (35, 2034468), (36, 1977955), (42, 1695390), (45, 1582364), (60, 1186773), (62, 1148490), (63, 1130260), (70, 1017234), (84, 847695), (90, 791182), (93, 765660), (105, 678156), (124, 574245), (126, 565130), (140, 508617), (155, 459396), (180, 395591), (186, 382830), (210, 339078), (217, 328140), (252, 282565), (279, 255220), (310, 229698), (315, 226052), (372, 191415), (420, 169539), (434, 164070), (465, 153132), (558, 127610), (620, 114849), (630, 113026), (651, 109380), (868, 82035), (930, 76566), (1085, 65628), (1116, 63805), (1260, 56513), (1302, 54690), (1395, 51044), (1823, 39060), (1860, 38283), (1953, 36460), (2170, 32814), (2604, 27345), (2790, 25522), (3255, 21876), (3646, 19530), (3906, 18230), (4340, 16407), (5469, 13020), (5580, 12761), (6510, 10938), (7292, 9765), (7812, 9115)]