1887141760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4733}}^1$

素因数の和:4848

約数の個数: 128

約数和(自身を含む): 5214974400

約数和(自身を除く): 3327832640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 224, 280, 320, 356, 445, 448, 560, 623, 640, 712, 890, 896, 1120, 1246, 1424, 1780, 2240, 2492, 2848, 3115, 3560, 4480, 4733, 4984, 5696, 6230, 7120, 9466, 9968, 11392, 12460, 14240, 18932, 19936, 23665, 24920, 28480, 33131, 37864, 39872, 47330, 49840, 56960, 66262, 75728, 79744, 94660, 99680, 132524, 151456, 165655, 189320, 199360, 265048, 302912, 331310, 378640, 398720, 421237, 530096, 605824, 662620, 757280, 842474, 1060192, 1325240, 1514560, 1684948, 2106185, 2120384, 2650480, 2948659, 3029120, 3369896, 4212370, 4240768, 5300960, 5897318, 6739792, 8424740, 10601920, 11794636, 13479584, 14743295, 16849480, 21203840, 23589272, 26959168, 29486590, 33698960, 47178544, 53918336, 58973180, 67397920, 94357088, 117946360, 134795840, 188714176, 235892720, 269591680, 377428352, 471785440, 943570880, 1887141760]

約数ペア:

[(1, 1887141760), (2, 943570880), (4, 471785440), (5, 377428352), (7, 269591680), (8, 235892720), (10, 188714176), (14, 134795840), (16, 117946360), (20, 94357088), (28, 67397920), (32, 58973180), (35, 53918336), (40, 47178544), (56, 33698960), (64, 29486590), (70, 26959168), (80, 23589272), (89, 21203840), (112, 16849480), (128, 14743295), (140, 13479584), (160, 11794636), (178, 10601920), (224, 8424740), (280, 6739792), (320, 5897318), (356, 5300960), (445, 4240768), (448, 4212370), (560, 3369896), (623, 3029120), (640, 2948659), (712, 2650480), (890, 2120384), (896, 2106185), (1120, 1684948), (1246, 1514560), (1424, 1325240), (1780, 1060192), (2240, 842474), (2492, 757280), (2848, 662620), (3115, 605824), (3560, 530096), (4480, 421237), (4733, 398720), (4984, 378640), (5696, 331310), (6230, 302912), (7120, 265048), (9466, 199360), (9968, 189320), (11392, 165655), (12460, 151456), (14240, 132524), (18932, 99680), (19936, 94660), (23665, 79744), (24920, 75728), (28480, 66262), (33131, 56960), (37864, 49840), (39872, 47330)]