1920627200

素因数分解:

$2^9\times 5^2\times {\mathrm{181}}^1\times {\mathrm{829}}^1$

素因数の和:1038

約数の個数: 120

約数和(自身を含む): 4790565780

約数和(自身を除く): 2869938580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 181, 200, 256, 320, 362, 400, 512, 640, 724, 800, 829, 905, 1280, 1448, 1600, 1658, 1810, 2560, 2896, 3200, 3316, 3620, 4145, 4525, 5792, 6400, 6632, 7240, 8290, 9050, 11584, 12800, 13264, 14480, 16580, 18100, 20725, 23168, 26528, 28960, 33160, 36200, 41450, 46336, 53056, 57920, 66320, 72400, 82900, 92672, 106112, 115840, 132640, 144800, 150049, 165800, 212224, 231680, 265280, 289600, 300098, 331600, 424448, 463360, 530560, 579200, 600196, 663200, 750245, 1061120, 1158400, 1200392, 1326400, 1500490, 2122240, 2316800, 2400784, 2652800, 3000980, 3751225, 4801568, 5305600, 6001960, 7502450, 9603136, 10611200, 12003920, 15004900, 19206272, 24007840, 30009800, 38412544, 48015680, 60019600, 76825088, 96031360, 120039200, 192062720, 240078400, 384125440, 480156800, 960313600, 1920627200]

約数ペア:

[(1, 1920627200), (2, 960313600), (4, 480156800), (5, 384125440), (8, 240078400), (10, 192062720), (16, 120039200), (20, 96031360), (25, 76825088), (32, 60019600), (40, 48015680), (50, 38412544), (64, 30009800), (80, 24007840), (100, 19206272), (128, 15004900), (160, 12003920), (181, 10611200), (200, 9603136), (256, 7502450), (320, 6001960), (362, 5305600), (400, 4801568), (512, 3751225), (640, 3000980), (724, 2652800), (800, 2400784), (829, 2316800), (905, 2122240), (1280, 1500490), (1448, 1326400), (1600, 1200392), (1658, 1158400), (1810, 1061120), (2560, 750245), (2896, 663200), (3200, 600196), (3316, 579200), (3620, 530560), (4145, 463360), (4525, 424448), (5792, 331600), (6400, 300098), (6632, 289600), (7240, 265280), (8290, 231680), (9050, 212224), (11584, 165800), (12800, 150049), (13264, 144800), (14480, 132640), (16580, 115840), (18100, 106112), (20725, 92672), (23168, 82900), (26528, 72400), (28960, 66320), (33160, 57920), (36200, 53056), (41450, 46336)]