80988900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{2621}}^1$

素因数の和:2741

約数の個数: 72

約数和(自身を含む): 236693184

約数和(自身を除く): 155704284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 103, 150, 206, 300, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 2575, 2621, 3090, 5150, 5242, 6180, 7725, 7863, 10300, 10484, 13105, 15450, 15726, 26210, 30900, 31452, 39315, 52420, 65525, 78630, 131050, 157260, 196575, 262100, 269963, 393150, 539926, 786300, 809889, 1079852, 1349815, 1619778, 2699630, 3239556, 4049445, 5399260, 6749075, 8098890, 13498150, 16197780, 20247225, 26996300, 40494450, 80988900]

約数ペア:

[(1, 80988900), (2, 40494450), (3, 26996300), (4, 20247225), (5, 16197780), (6, 13498150), (10, 8098890), (12, 6749075), (15, 5399260), (20, 4049445), (25, 3239556), (30, 2699630), (50, 1619778), (60, 1349815), (75, 1079852), (100, 809889), (103, 786300), (150, 539926), (206, 393150), (300, 269963), (309, 262100), (412, 196575), (515, 157260), (618, 131050), (1030, 78630), (1236, 65525), (1545, 52420), (2060, 39315), (2575, 31452), (2621, 30900), (3090, 26210), (5150, 15726), (5242, 15450), (6180, 13105), (7725, 10484), (7863, 10300)]