495420240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{294893}}^1$

素因数の和:294916

約数の個数: 80

約数和(自身を含む): 1755209088

約数和(自身を除く): 1259788848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 294893, 589786, 884679, 1179572, 1474465, 1769358, 2064251, 2359144, 2948930, 3538716, 4128502, 4423395, 4718288, 5897860, 6192753, 7077432, 8257004, 8846790, 10321255, 11795720, 12385506, 14154864, 16514008, 17693580, 20642510, 23591440, 24771012, 30963765, 33028016, 35387160, 41285020, 49542024, 61927530, 70774320, 82570040, 99084048, 123855060, 165140080, 247710120, 495420240]

約数ペア:

[(1, 495420240), (2, 247710120), (3, 165140080), (4, 123855060), (5, 99084048), (6, 82570040), (7, 70774320), (8, 61927530), (10, 49542024), (12, 41285020), (14, 35387160), (15, 33028016), (16, 30963765), (20, 24771012), (21, 23591440), (24, 20642510), (28, 17693580), (30, 16514008), (35, 14154864), (40, 12385506), (42, 11795720), (48, 10321255), (56, 8846790), (60, 8257004), (70, 7077432), (80, 6192753), (84, 5897860), (105, 4718288), (112, 4423395), (120, 4128502), (140, 3538716), (168, 2948930), (210, 2359144), (240, 2064251), (280, 1769358), (336, 1474465), (420, 1179572), (560, 884679), (840, 589786), (1680, 294893)]