31919220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{463}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 97284096

約数和(自身を除く): 65364876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 463, 766, 926, 1149, 1389, 1532, 1852, 1915, 2298, 2315, 2778, 3447, 3830, 4167, 4596, 4630, 5556, 5745, 6894, 6945, 7660, 8334, 9260, 11490, 13788, 13890, 16668, 17235, 20835, 22980, 27780, 34470, 41670, 68940, 83340, 177329, 354658, 531987, 709316, 886645, 1063974, 1595961, 1773290, 2127948, 2659935, 3191922, 3546580, 5319870, 6383844, 7979805, 10639740, 15959610, 31919220]

約数ペア:

[(1, 31919220), (2, 15959610), (3, 10639740), (4, 7979805), (5, 6383844), (6, 5319870), (9, 3546580), (10, 3191922), (12, 2659935), (15, 2127948), (18, 1773290), (20, 1595961), (30, 1063974), (36, 886645), (45, 709316), (60, 531987), (90, 354658), (180, 177329), (383, 83340), (463, 68940), (766, 41670), (926, 34470), (1149, 27780), (1389, 22980), (1532, 20835), (1852, 17235), (1915, 16668), (2298, 13890), (2315, 13788), (2778, 11490), (3447, 9260), (3830, 8334), (4167, 7660), (4596, 6945), (4630, 6894), (5556, 5745)]