205592940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163169}}^1$

素因数の和:163191

約数の個数: 72

約数和(自身を含む): 712726560

約数和(自身を除く): 507133620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 163169, 326338, 489507, 652676, 815845, 979014, 1142183, 1468521, 1631690, 1958028, 2284366, 2447535, 2937042, 3263380, 3426549, 4568732, 4895070, 5710915, 5874084, 6853098, 7342605, 9790140, 10279647, 11421830, 13706196, 14685210, 17132745, 20559294, 22843660, 29370420, 34265490, 41118588, 51398235, 68530980, 102796470, 205592940]

約数ペア:

[(1, 205592940), (2, 102796470), (3, 68530980), (4, 51398235), (5, 41118588), (6, 34265490), (7, 29370420), (9, 22843660), (10, 20559294), (12, 17132745), (14, 14685210), (15, 13706196), (18, 11421830), (20, 10279647), (21, 9790140), (28, 7342605), (30, 6853098), (35, 5874084), (36, 5710915), (42, 4895070), (45, 4568732), (60, 3426549), (63, 3263380), (70, 2937042), (84, 2447535), (90, 2284366), (105, 1958028), (126, 1631690), (140, 1468521), (180, 1142183), (210, 979014), (252, 815845), (315, 652676), (420, 489507), (630, 326338), (1260, 163169)]