28680420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 84913920

約数和(自身を除く): 56233500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 53, 58, 60, 87, 106, 116, 145, 159, 174, 212, 265, 290, 311, 318, 348, 435, 530, 580, 622, 636, 795, 870, 933, 1060, 1244, 1537, 1555, 1590, 1740, 1866, 3074, 3110, 3180, 3732, 4611, 4665, 6148, 6220, 7685, 9019, 9222, 9330, 15370, 16483, 18038, 18444, 18660, 23055, 27057, 30740, 32966, 36076, 45095, 46110, 49449, 54114, 65932, 82415, 90190, 92220, 98898, 108228, 135285, 164830, 180380, 197796, 247245, 270570, 329660, 478007, 494490, 541140, 956014, 988980, 1434021, 1912028, 2390035, 2868042, 4780070, 5736084, 7170105, 9560140, 14340210, 28680420]

約数ペア:

[(1, 28680420), (2, 14340210), (3, 9560140), (4, 7170105), (5, 5736084), (6, 4780070), (10, 2868042), (12, 2390035), (15, 1912028), (20, 1434021), (29, 988980), (30, 956014), (53, 541140), (58, 494490), (60, 478007), (87, 329660), (106, 270570), (116, 247245), (145, 197796), (159, 180380), (174, 164830), (212, 135285), (265, 108228), (290, 98898), (311, 92220), (318, 90190), (348, 82415), (435, 65932), (530, 54114), (580, 49449), (622, 46110), (636, 45095), (795, 36076), (870, 32966), (933, 30740), (1060, 27057), (1244, 23055), (1537, 18660), (1555, 18444), (1590, 18038), (1740, 16483), (1866, 15370), (3074, 9330), (3110, 9222), (3180, 9019), (3732, 7685), (4611, 6220), (4665, 6148)]