78998940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4261}}^1$

素因数の和:4379

約数の個数: 72

約数和(自身を含む): 242013408

約数和(自身を除く): 163014468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4261, 4635, 6180, 8522, 9270, 12783, 17044, 18540, 21305, 25566, 38349, 42610, 51132, 63915, 76698, 85220, 127830, 153396, 191745, 255660, 383490, 438883, 766980, 877766, 1316649, 1755532, 2194415, 2633298, 3949947, 4388830, 5266596, 6583245, 7899894, 8777660, 13166490, 15799788, 19749735, 26332980, 39499470, 78998940]

約数ペア:

[(1, 78998940), (2, 39499470), (3, 26332980), (4, 19749735), (5, 15799788), (6, 13166490), (9, 8777660), (10, 7899894), (12, 6583245), (15, 5266596), (18, 4388830), (20, 3949947), (30, 2633298), (36, 2194415), (45, 1755532), (60, 1316649), (90, 877766), (103, 766980), (180, 438883), (206, 383490), (309, 255660), (412, 191745), (515, 153396), (618, 127830), (927, 85220), (1030, 76698), (1236, 63915), (1545, 51132), (1854, 42610), (2060, 38349), (3090, 25566), (3708, 21305), (4261, 18540), (4635, 17044), (6180, 12783), (8522, 9270)]