211782420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{11423}}^1$

素因数の和:11541

約数の個数: 72

約数和(自身を含む): 648700416

約数和(自身を除く): 436917996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 6180, 9270, 11423, 18540, 22846, 34269, 45692, 57115, 68538, 102807, 114230, 137076, 171345, 205614, 228460, 342690, 411228, 514035, 685380, 1028070, 1176569, 2056140, 2353138, 3529707, 4706276, 5882845, 7059414, 10589121, 11765690, 14118828, 17648535, 21178242, 23531380, 35297070, 42356484, 52945605, 70594140, 105891210, 211782420]

約数ペア:

[(1, 211782420), (2, 105891210), (3, 70594140), (4, 52945605), (5, 42356484), (6, 35297070), (9, 23531380), (10, 21178242), (12, 17648535), (15, 14118828), (18, 11765690), (20, 10589121), (30, 7059414), (36, 5882845), (45, 4706276), (60, 3529707), (90, 2353138), (103, 2056140), (180, 1176569), (206, 1028070), (309, 685380), (412, 514035), (515, 411228), (618, 342690), (927, 228460), (1030, 205614), (1236, 171345), (1545, 137076), (1854, 114230), (2060, 102807), (3090, 68538), (3708, 57115), (4635, 45692), (6180, 34269), (9270, 22846), (11423, 18540)]