19528800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 64995840

約数和(自身を除く): 45467040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 79, 80, 96, 100, 103, 120, 150, 158, 160, 200, 206, 237, 240, 300, 309, 316, 395, 400, 412, 474, 480, 515, 600, 618, 632, 790, 800, 824, 948, 1030, 1185, 1200, 1236, 1264, 1545, 1580, 1648, 1896, 1975, 2060, 2370, 2400, 2472, 2528, 2575, 3090, 3160, 3296, 3792, 3950, 4120, 4740, 4944, 5150, 5925, 6180, 6320, 7584, 7725, 7900, 8137, 8240, 9480, 9888, 10300, 11850, 12360, 12640, 15450, 15800, 16274, 16480, 18960, 20600, 23700, 24411, 24720, 30900, 31600, 32548, 37920, 40685, 41200, 47400, 48822, 49440, 61800, 63200, 65096, 81370, 82400, 94800, 97644, 122055, 123600, 130192, 162740, 189600, 195288, 203425, 244110, 247200, 260384, 325480, 390576, 406850, 488220, 610275, 650960, 781152, 813700, 976440, 1220550, 1301920, 1627400, 1952880, 2441100, 3254800, 3905760, 4882200, 6509600, 9764400, 19528800]

約数ペア:

[(1, 19528800), (2, 9764400), (3, 6509600), (4, 4882200), (5, 3905760), (6, 3254800), (8, 2441100), (10, 1952880), (12, 1627400), (15, 1301920), (16, 1220550), (20, 976440), (24, 813700), (25, 781152), (30, 650960), (32, 610275), (40, 488220), (48, 406850), (50, 390576), (60, 325480), (75, 260384), (79, 247200), (80, 244110), (96, 203425), (100, 195288), (103, 189600), (120, 162740), (150, 130192), (158, 123600), (160, 122055), (200, 97644), (206, 94800), (237, 82400), (240, 81370), (300, 65096), (309, 63200), (316, 61800), (395, 49440), (400, 48822), (412, 47400), (474, 41200), (480, 40685), (515, 37920), (600, 32548), (618, 31600), (632, 30900), (790, 24720), (800, 24411), (824, 23700), (948, 20600), (1030, 18960), (1185, 16480), (1200, 16274), (1236, 15800), (1264, 15450), (1545, 12640), (1580, 12360), (1648, 11850), (1896, 10300), (1975, 9888), (2060, 9480), (2370, 8240), (2400, 8137), (2472, 7900), (2528, 7725), (2575, 7584), (3090, 6320), (3160, 6180), (3296, 5925), (3792, 5150), (3950, 4944), (4120, 4740)]