78420800

素因数分解:

$2^6\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2176

約数の個数: 84

約数和(自身を含む): 201448416

約数和(自身を除く): 123027616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 160, 184, 200, 230, 320, 368, 400, 460, 575, 736, 800, 920, 1150, 1472, 1600, 1840, 2131, 2300, 3680, 4262, 4600, 7360, 8524, 9200, 10655, 17048, 18400, 21310, 34096, 36800, 42620, 49013, 53275, 68192, 85240, 98026, 106550, 136384, 170480, 196052, 213100, 245065, 340960, 392104, 426200, 490130, 681920, 784208, 852400, 980260, 1225325, 1568416, 1704800, 1960520, 2450650, 3136832, 3409600, 3921040, 4901300, 7842080, 9802600, 15684160, 19605200, 39210400, 78420800]

約数ペア:

[(1, 78420800), (2, 39210400), (4, 19605200), (5, 15684160), (8, 9802600), (10, 7842080), (16, 4901300), (20, 3921040), (23, 3409600), (25, 3136832), (32, 2450650), (40, 1960520), (46, 1704800), (50, 1568416), (64, 1225325), (80, 980260), (92, 852400), (100, 784208), (115, 681920), (160, 490130), (184, 426200), (200, 392104), (230, 340960), (320, 245065), (368, 213100), (400, 196052), (460, 170480), (575, 136384), (736, 106550), (800, 98026), (920, 85240), (1150, 68192), (1472, 53275), (1600, 49013), (1840, 42620), (2131, 36800), (2300, 34096), (3680, 21310), (4262, 18400), (4600, 17048), (7360, 10655), (8524, 9200)]