401064720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{238729}}^1$

素因数の和:238752

約数の個数: 80

約数和(自身を含む): 1420920960

約数和(自身を除く): 1019856240

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, 238729, 477458, 716187, 954916, 1193645, 1432374, 1671103, 1909832, 2387290, 2864748, 3342206, 3580935, 3819664, 4774580, 5013309, 5729496, 6684412, 7161870, 8355515, 9549160, 10026618, 11458992, 13368824, 14323740, 16711030, 19098320, 20053236, 25066545, 26737648, 28647480, 33422060, 40106472, 50133090, 57294960, 66844120, 80212944, 100266180, 133688240, 200532360, 401064720]

約数ペア:

[(1, 401064720), (2, 200532360), (3, 133688240), (4, 100266180), (5, 80212944), (6, 66844120), (7, 57294960), (8, 50133090), (10, 40106472), (12, 33422060), (14, 28647480), (15, 26737648), (16, 25066545), (20, 20053236), (21, 19098320), (24, 16711030), (28, 14323740), (30, 13368824), (35, 11458992), (40, 10026618), (42, 9549160), (48, 8355515), (56, 7161870), (60, 6684412), (70, 5729496), (80, 5013309), (84, 4774580), (105, 3819664), (112, 3580935), (120, 3342206), (140, 2864748), (168, 2387290), (210, 1909832), (240, 1671103), (280, 1432374), (336, 1193645), (420, 954916), (560, 716187), (840, 477458), (1680, 238729)]