254717580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{326561}}^1$

素因数の和:326586

約数の個数: 48

約数和(自身を含む): 768073824

約数和(自身を除く): 513356244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 326561, 653122, 979683, 1306244, 1632805, 1959366, 3265610, 3918732, 4245293, 4898415, 6531220, 8490586, 9796830, 12735879, 16981172, 19593660, 21226465, 25471758, 42452930, 50943516, 63679395, 84905860, 127358790, 254717580]

約数ペア:

[(1, 254717580), (2, 127358790), (3, 84905860), (4, 63679395), (5, 50943516), (6, 42452930), (10, 25471758), (12, 21226465), (13, 19593660), (15, 16981172), (20, 12735879), (26, 9796830), (30, 8490586), (39, 6531220), (52, 4898415), (60, 4245293), (65, 3918732), (78, 3265610), (130, 1959366), (156, 1632805), (195, 1306244), (260, 979683), (390, 653122), (780, 326561)]