31190460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^2$

素因数の和:232

約数の個数: 108

約数和(自身を含む): 102587688

約数和(自身を除く): 71397228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 140, 147, 196, 206, 210, 245, 294, 309, 412, 420, 490, 515, 588, 618, 721, 735, 980, 1030, 1236, 1442, 1470, 1545, 2060, 2163, 2884, 2940, 3090, 3605, 4326, 5047, 6180, 7210, 8652, 10094, 10609, 10815, 14420, 15141, 20188, 21218, 21630, 25235, 30282, 31827, 42436, 43260, 50470, 53045, 60564, 63654, 74263, 75705, 100940, 106090, 127308, 148526, 151410, 159135, 212180, 222789, 297052, 302820, 318270, 371315, 445578, 519841, 636540, 742630, 891156, 1039682, 1113945, 1485260, 1559523, 2079364, 2227890, 2599205, 3119046, 4455780, 5198410, 6238092, 7797615, 10396820, 15595230, 31190460]

約数ペア:

[(1, 31190460), (2, 15595230), (3, 10396820), (4, 7797615), (5, 6238092), (6, 5198410), (7, 4455780), (10, 3119046), (12, 2599205), (14, 2227890), (15, 2079364), (20, 1559523), (21, 1485260), (28, 1113945), (30, 1039682), (35, 891156), (42, 742630), (49, 636540), (60, 519841), (70, 445578), (84, 371315), (98, 318270), (103, 302820), (105, 297052), (140, 222789), (147, 212180), (196, 159135), (206, 151410), (210, 148526), (245, 127308), (294, 106090), (309, 100940), (412, 75705), (420, 74263), (490, 63654), (515, 60564), (588, 53045), (618, 50470), (721, 43260), (735, 42436), (980, 31827), (1030, 30282), (1236, 25235), (1442, 21630), (1470, 21218), (1545, 20188), (2060, 15141), (2163, 14420), (2884, 10815), (2940, 10609), (3090, 10094), (3605, 8652), (4326, 7210), (5047, 6180)]