30511440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1417

約数の個数: 120

約数和(自身を含む): 105850368

約数和(自身を除く): 75338928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1367, 1395, 1488, 1860, 2232, 2480, 2734, 2790, 3720, 4101, 4464, 5468, 5580, 6835, 7440, 8202, 10936, 11160, 12303, 13670, 16404, 20505, 21872, 22320, 24606, 27340, 32808, 41010, 42377, 49212, 54680, 61515, 65616, 82020, 84754, 98424, 109360, 123030, 127131, 164040, 169508, 196848, 211885, 246060, 254262, 328080, 339016, 381393, 423770, 492120, 508524, 635655, 678032, 762786, 847540, 984240, 1017048, 1271310, 1525572, 1695080, 1906965, 2034096, 2542620, 3051144, 3390160, 3813930, 5085240, 6102288, 7627860, 10170480, 15255720, 30511440]

約数ペア:

[(1, 30511440), (2, 15255720), (3, 10170480), (4, 7627860), (5, 6102288), (6, 5085240), (8, 3813930), (9, 3390160), (10, 3051144), (12, 2542620), (15, 2034096), (16, 1906965), (18, 1695080), (20, 1525572), (24, 1271310), (30, 1017048), (31, 984240), (36, 847540), (40, 762786), (45, 678032), (48, 635655), (60, 508524), (62, 492120), (72, 423770), (80, 381393), (90, 339016), (93, 328080), (120, 254262), (124, 246060), (144, 211885), (155, 196848), (180, 169508), (186, 164040), (240, 127131), (248, 123030), (279, 109360), (310, 98424), (360, 84754), (372, 82020), (465, 65616), (496, 61515), (558, 54680), (620, 49212), (720, 42377), (744, 41010), (930, 32808), (1116, 27340), (1240, 24606), (1367, 22320), (1395, 21872), (1488, 20505), (1860, 16404), (2232, 13670), (2480, 12303), (2734, 11160), (2790, 10936), (3720, 8202), (4101, 7440), (4464, 6835), (5468, 5580)]