31020160

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2551}}^1$

素因数の和:2589

約数の個数: 64

約数和(自身を含む): 78091200

約数和(自身を除く): 47071040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 2551, 3040, 5102, 6080, 10204, 12160, 12755, 20408, 25510, 40816, 48469, 51020, 81632, 96938, 102040, 163264, 193876, 204080, 242345, 326528, 387752, 408160, 484690, 775504, 816320, 969380, 1551008, 1632640, 1938760, 3102016, 3877520, 6204032, 7755040, 15510080, 31020160]

約数ペア:

[(1, 31020160), (2, 15510080), (4, 7755040), (5, 6204032), (8, 3877520), (10, 3102016), (16, 1938760), (19, 1632640), (20, 1551008), (32, 969380), (38, 816320), (40, 775504), (64, 484690), (76, 408160), (80, 387752), (95, 326528), (128, 242345), (152, 204080), (160, 193876), (190, 163264), (304, 102040), (320, 96938), (380, 81632), (608, 51020), (640, 48469), (760, 40816), (1216, 25510), (1520, 20408), (2432, 12755), (2551, 12160), (3040, 10204), (5102, 6080)]