78201060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 259164864

約数和(自身を除く): 180963804

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 67, 70, 84, 98, 105, 134, 140, 147, 196, 201, 210, 245, 268, 294, 335, 397, 402, 420, 469, 490, 588, 670, 735, 794, 804, 938, 980, 1005, 1191, 1340, 1407, 1470, 1588, 1876, 1985, 2010, 2345, 2382, 2779, 2814, 2940, 3283, 3970, 4020, 4690, 4764, 5558, 5628, 5955, 6566, 7035, 7940, 8337, 9380, 9849, 11116, 11910, 13132, 13895, 14070, 16415, 16674, 19453, 19698, 23820, 26599, 27790, 28140, 32830, 33348, 38906, 39396, 41685, 49245, 53198, 55580, 58359, 65660, 77812, 79797, 83370, 97265, 98490, 106396, 116718, 132995, 159594, 166740, 186193, 194530, 196980, 233436, 265990, 291795, 319188, 372386, 389060, 398985, 531980, 558579, 583590, 744772, 797970, 930965, 1117158, 1167180, 1303351, 1595940, 1861930, 2234316, 2606702, 2792895, 3723860, 3910053, 5213404, 5585790, 6516755, 7820106, 11171580, 13033510, 15640212, 19550265, 26067020, 39100530, 78201060]

約数ペア:

[(1, 78201060), (2, 39100530), (3, 26067020), (4, 19550265), (5, 15640212), (6, 13033510), (7, 11171580), (10, 7820106), (12, 6516755), (14, 5585790), (15, 5213404), (20, 3910053), (21, 3723860), (28, 2792895), (30, 2606702), (35, 2234316), (42, 1861930), (49, 1595940), (60, 1303351), (67, 1167180), (70, 1117158), (84, 930965), (98, 797970), (105, 744772), (134, 583590), (140, 558579), (147, 531980), (196, 398985), (201, 389060), (210, 372386), (245, 319188), (268, 291795), (294, 265990), (335, 233436), (397, 196980), (402, 194530), (420, 186193), (469, 166740), (490, 159594), (588, 132995), (670, 116718), (735, 106396), (794, 98490), (804, 97265), (938, 83370), (980, 79797), (1005, 77812), (1191, 65660), (1340, 58359), (1407, 55580), (1470, 53198), (1588, 49245), (1876, 41685), (1985, 39396), (2010, 38906), (2345, 33348), (2382, 32830), (2779, 28140), (2814, 27790), (2940, 26599), (3283, 23820), (3970, 19698), (4020, 19453), (4690, 16674), (4764, 16415), (5558, 14070), (5628, 13895), (5955, 13132), (6566, 11910), (7035, 11116), (7940, 9849), (8337, 9380)]