71232040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 188956800

約数和(自身を除く): 117724760

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 89, 107, 110, 136, 170, 178, 187, 214, 220, 340, 356, 374, 428, 440, 445, 535, 680, 712, 748, 856, 890, 935, 979, 1070, 1177, 1496, 1513, 1780, 1819, 1870, 1958, 2140, 2354, 3026, 3560, 3638, 3740, 3916, 4280, 4708, 4895, 5885, 6052, 7276, 7480, 7565, 7832, 9095, 9416, 9523, 9790, 11770, 12104, 14552, 15130, 16643, 18190, 19046, 19580, 20009, 23540, 30260, 33286, 36380, 38092, 39160, 40018, 47080, 47615, 60520, 66572, 72760, 76184, 80036, 83215, 95230, 100045, 104753, 133144, 160072, 161891, 166430, 190460, 200090, 209506, 323782, 332860, 380920, 400180, 419012, 523765, 647564, 665720, 800360, 809455, 838024, 1047530, 1295128, 1618910, 1780801, 2095060, 3237820, 3561602, 4190120, 6475640, 7123204, 8904005, 14246408, 17808010, 35616020, 71232040]

約数ペア:

[(1, 71232040), (2, 35616020), (4, 17808010), (5, 14246408), (8, 8904005), (10, 7123204), (11, 6475640), (17, 4190120), (20, 3561602), (22, 3237820), (34, 2095060), (40, 1780801), (44, 1618910), (55, 1295128), (68, 1047530), (85, 838024), (88, 809455), (89, 800360), (107, 665720), (110, 647564), (136, 523765), (170, 419012), (178, 400180), (187, 380920), (214, 332860), (220, 323782), (340, 209506), (356, 200090), (374, 190460), (428, 166430), (440, 161891), (445, 160072), (535, 133144), (680, 104753), (712, 100045), (748, 95230), (856, 83215), (890, 80036), (935, 76184), (979, 72760), (1070, 66572), (1177, 60520), (1496, 47615), (1513, 47080), (1780, 40018), (1819, 39160), (1870, 38092), (1958, 36380), (2140, 33286), (2354, 30260), (3026, 23540), (3560, 20009), (3638, 19580), (3740, 19046), (3916, 18190), (4280, 16643), (4708, 15130), (4895, 14552), (5885, 12104), (6052, 11770), (7276, 9790), (7480, 9523), (7565, 9416), (7832, 9095)]