26530980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 85612800

約数和(自身を除く): 59081820

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, 181, 210, 349, 362, 420, 543, 698, 724, 905, 1047, 1086, 1267, 1396, 1745, 1810, 2094, 2172, 2443, 2534, 2715, 3490, 3620, 3801, 4188, 4886, 5068, 5235, 5430, 6335, 6980, 7329, 7602, 9772, 10470, 10860, 12215, 12670, 14658, 15204, 19005, 20940, 24430, 25340, 29316, 36645, 38010, 48860, 63169, 73290, 76020, 126338, 146580, 189507, 252676, 315845, 379014, 442183, 631690, 758028, 884366, 947535, 1263380, 1326549, 1768732, 1895070, 2210915, 2653098, 3790140, 4421830, 5306196, 6632745, 8843660, 13265490, 26530980]

約数ペア:

[(1, 26530980), (2, 13265490), (3, 8843660), (4, 6632745), (5, 5306196), (6, 4421830), (7, 3790140), (10, 2653098), (12, 2210915), (14, 1895070), (15, 1768732), (20, 1326549), (21, 1263380), (28, 947535), (30, 884366), (35, 758028), (42, 631690), (60, 442183), (70, 379014), (84, 315845), (105, 252676), (140, 189507), (181, 146580), (210, 126338), (349, 76020), (362, 73290), (420, 63169), (543, 48860), (698, 38010), (724, 36645), (905, 29316), (1047, 25340), (1086, 24430), (1267, 20940), (1396, 19005), (1745, 15204), (1810, 14658), (2094, 12670), (2172, 12215), (2443, 10860), (2534, 10470), (2715, 9772), (3490, 7602), (3620, 7329), (3801, 6980), (4188, 6335), (4886, 5430), (5068, 5235)]