393353520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{234139}}^1$

素因数の和:234162

約数の個数: 80

約数和(自身を含む): 1393601280

約数和(自身を除く): 1000247760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 234139, 468278, 702417, 936556, 1170695, 1404834, 1638973, 1873112, 2341390, 2809668, 3277946, 3512085, 3746224, 4682780, 4916919, 5619336, 6555892, 7024170, 8194865, 9365560, 9833838, 11238672, 13111784, 14048340, 16389730, 18731120, 19667676, 24584595, 26223568, 28096680, 32779460, 39335352, 49169190, 56193360, 65558920, 78670704, 98338380, 131117840, 196676760, 393353520]

約数ペア:

[(1, 393353520), (2, 196676760), (3, 131117840), (4, 98338380), (5, 78670704), (6, 65558920), (7, 56193360), (8, 49169190), (10, 39335352), (12, 32779460), (14, 28096680), (15, 26223568), (16, 24584595), (20, 19667676), (21, 18731120), (24, 16389730), (28, 14048340), (30, 13111784), (35, 11238672), (40, 9833838), (42, 9365560), (48, 8194865), (56, 7024170), (60, 6555892), (70, 5619336), (80, 4916919), (84, 4682780), (105, 3746224), (112, 3512085), (120, 3277946), (140, 2809668), (168, 2341390), (210, 1873112), (240, 1638973), (280, 1404834), (336, 1170695), (420, 936556), (560, 702417), (840, 468278), (1680, 234139)]