81782640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1171}}^1$

素因数の和:1287

約数の個数: 120

約数和(自身を含む): 277721808

約数和(自身を除く): 195939168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 291, 360, 388, 485, 582, 720, 776, 873, 970, 1164, 1171, 1455, 1552, 1746, 1940, 2328, 2342, 2910, 3492, 3513, 3880, 4365, 4656, 4684, 5820, 5855, 6984, 7026, 7760, 8730, 9368, 10539, 11640, 11710, 13968, 14052, 17460, 17565, 18736, 21078, 23280, 23420, 28104, 34920, 35130, 42156, 46840, 52695, 56208, 69840, 70260, 84312, 93680, 105390, 113587, 140520, 168624, 210780, 227174, 281040, 340761, 421560, 454348, 567935, 681522, 843120, 908696, 1022283, 1135870, 1363044, 1703805, 1817392, 2044566, 2271740, 2726088, 3407610, 4089132, 4543480, 5111415, 5452176, 6815220, 8178264, 9086960, 10222830, 13630440, 16356528, 20445660, 27260880, 40891320, 81782640]

約数ペア:

[(1, 81782640), (2, 40891320), (3, 27260880), (4, 20445660), (5, 16356528), (6, 13630440), (8, 10222830), (9, 9086960), (10, 8178264), (12, 6815220), (15, 5452176), (16, 5111415), (18, 4543480), (20, 4089132), (24, 3407610), (30, 2726088), (36, 2271740), (40, 2044566), (45, 1817392), (48, 1703805), (60, 1363044), (72, 1135870), (80, 1022283), (90, 908696), (97, 843120), (120, 681522), (144, 567935), (180, 454348), (194, 421560), (240, 340761), (291, 281040), (360, 227174), (388, 210780), (485, 168624), (582, 140520), (720, 113587), (776, 105390), (873, 93680), (970, 84312), (1164, 70260), (1171, 69840), (1455, 56208), (1552, 52695), (1746, 46840), (1940, 42156), (2328, 35130), (2342, 34920), (2910, 28104), (3492, 23420), (3513, 23280), (3880, 21078), (4365, 18736), (4656, 17565), (4684, 17460), (5820, 14052), (5855, 13968), (6984, 11710), (7026, 11640), (7760, 10539), (8730, 9368)]