490551840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{340661}}^1$

素因数の和:340682

約数の個数: 72

約数和(自身を含む): 1674013068

約数和(自身を除く): 1183461228

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 340661, 681322, 1021983, 1362644, 1703305, 2043966, 2725288, 3065949, 3406610, 4087932, 5109915, 5450576, 6131898, 6813220, 8175864, 10219830, 10901152, 12263796, 13626440, 15329745, 16351728, 20439660, 24527592, 27252880, 30659490, 32703456, 40879320, 49055184, 54505760, 61318980, 81758640, 98110368, 122637960, 163517280, 245275920, 490551840]

約数ペア:

[(1, 490551840), (2, 245275920), (3, 163517280), (4, 122637960), (5, 98110368), (6, 81758640), (8, 61318980), (9, 54505760), (10, 49055184), (12, 40879320), (15, 32703456), (16, 30659490), (18, 27252880), (20, 24527592), (24, 20439660), (30, 16351728), (32, 15329745), (36, 13626440), (40, 12263796), (45, 10901152), (48, 10219830), (60, 8175864), (72, 6813220), (80, 6131898), (90, 5450576), (96, 5109915), (120, 4087932), (144, 3406610), (160, 3065949), (180, 2725288), (240, 2043966), (288, 1703305), (360, 1362644), (480, 1021983), (720, 681322), (1440, 340661)]