40816860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:795

約数の個数: 96

約数和(自身を含む): 131658240

約数和(自身を除く): 90841380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 157, 210, 314, 420, 471, 619, 628, 785, 942, 1099, 1238, 1570, 1857, 1884, 2198, 2355, 2476, 3095, 3140, 3297, 3714, 4333, 4396, 4710, 5495, 6190, 6594, 7428, 8666, 9285, 9420, 10990, 12380, 12999, 13188, 16485, 17332, 18570, 21665, 21980, 25998, 32970, 37140, 43330, 51996, 64995, 65940, 86660, 97183, 129990, 194366, 259980, 291549, 388732, 485915, 583098, 680281, 971830, 1166196, 1360562, 1457745, 1943660, 2040843, 2721124, 2915490, 3401405, 4081686, 5830980, 6802810, 8163372, 10204215, 13605620, 20408430, 40816860]

約数ペア:

[(1, 40816860), (2, 20408430), (3, 13605620), (4, 10204215), (5, 8163372), (6, 6802810), (7, 5830980), (10, 4081686), (12, 3401405), (14, 2915490), (15, 2721124), (20, 2040843), (21, 1943660), (28, 1457745), (30, 1360562), (35, 1166196), (42, 971830), (60, 680281), (70, 583098), (84, 485915), (105, 388732), (140, 291549), (157, 259980), (210, 194366), (314, 129990), (420, 97183), (471, 86660), (619, 65940), (628, 64995), (785, 51996), (942, 43330), (1099, 37140), (1238, 32970), (1570, 25998), (1857, 21980), (1884, 21665), (2198, 18570), (2355, 17332), (2476, 16485), (3095, 13188), (3140, 12999), (3297, 12380), (3714, 10990), (4333, 9420), (4396, 9285), (4710, 8666), (5495, 7428), (6190, 6594)]