72878040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2087}}^1$

素因数の和:2201

約数の個数: 96

約数和(自身を含む): 239410080

約数和(自身を除く): 166532040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 776, 873, 970, 1164, 1455, 1746, 1940, 2087, 2328, 2910, 3492, 3880, 4174, 4365, 5820, 6261, 6984, 8348, 8730, 10435, 11640, 12522, 16696, 17460, 18783, 20870, 25044, 31305, 34920, 37566, 41740, 50088, 62610, 75132, 83480, 93915, 125220, 150264, 187830, 202439, 250440, 375660, 404878, 607317, 751320, 809756, 1012195, 1214634, 1619512, 1821951, 2024390, 2429268, 3036585, 3643902, 4048780, 4858536, 6073170, 7287804, 8097560, 9109755, 12146340, 14575608, 18219510, 24292680, 36439020, 72878040]

約数ペア:

[(1, 72878040), (2, 36439020), (3, 24292680), (4, 18219510), (5, 14575608), (6, 12146340), (8, 9109755), (9, 8097560), (10, 7287804), (12, 6073170), (15, 4858536), (18, 4048780), (20, 3643902), (24, 3036585), (30, 2429268), (36, 2024390), (40, 1821951), (45, 1619512), (60, 1214634), (72, 1012195), (90, 809756), (97, 751320), (120, 607317), (180, 404878), (194, 375660), (291, 250440), (360, 202439), (388, 187830), (485, 150264), (582, 125220), (776, 93915), (873, 83480), (970, 75132), (1164, 62610), (1455, 50088), (1746, 41740), (1940, 37566), (2087, 34920), (2328, 31305), (2910, 25044), (3492, 20870), (3880, 18783), (4174, 17460), (4365, 16696), (5820, 12522), (6261, 11640), (6984, 10435), (8348, 8730)]