28311840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19661}}^1$

素因数の和:19682

約数の個数: 72

約数和(自身を含む): 96619068

約数和(自身を除く): 68307228

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, 19661, 39322, 58983, 78644, 98305, 117966, 157288, 176949, 196610, 235932, 294915, 314576, 353898, 393220, 471864, 589830, 629152, 707796, 786440, 884745, 943728, 1179660, 1415592, 1572880, 1769490, 1887456, 2359320, 2831184, 3145760, 3538980, 4718640, 5662368, 7077960, 9437280, 14155920, 28311840]

約数ペア:

[(1, 28311840), (2, 14155920), (3, 9437280), (4, 7077960), (5, 5662368), (6, 4718640), (8, 3538980), (9, 3145760), (10, 2831184), (12, 2359320), (15, 1887456), (16, 1769490), (18, 1572880), (20, 1415592), (24, 1179660), (30, 943728), (32, 884745), (36, 786440), (40, 707796), (45, 629152), (48, 589830), (60, 471864), (72, 393220), (80, 353898), (90, 314576), (96, 294915), (120, 235932), (144, 196610), (160, 176949), (180, 157288), (240, 117966), (288, 98305), (360, 78644), (480, 58983), (720, 39322), (1440, 19661)]