319789260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{253801}}^1$

素因数の和:253823

約数の個数: 72

約数和(自身を含む): 1108607136

約数和(自身を除く): 788817876

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, 253801, 507602, 761403, 1015204, 1269005, 1522806, 1776607, 2284209, 2538010, 3045612, 3553214, 3807015, 4568418, 5076020, 5329821, 7106428, 7614030, 8883035, 9136836, 10659642, 11421045, 15228060, 15989463, 17766070, 21319284, 22842090, 26649105, 31978926, 35532140, 45684180, 53298210, 63957852, 79947315, 106596420, 159894630, 319789260]

約数ペア:

[(1, 319789260), (2, 159894630), (3, 106596420), (4, 79947315), (5, 63957852), (6, 53298210), (7, 45684180), (9, 35532140), (10, 31978926), (12, 26649105), (14, 22842090), (15, 21319284), (18, 17766070), (20, 15989463), (21, 15228060), (28, 11421045), (30, 10659642), (35, 9136836), (36, 8883035), (42, 7614030), (45, 7106428), (60, 5329821), (63, 5076020), (70, 4568418), (84, 3807015), (90, 3553214), (105, 3045612), (126, 2538010), (140, 2284209), (180, 1776607), (210, 1522806), (252, 1269005), (315, 1015204), (420, 761403), (630, 507602), (1260, 253801)]