128506440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{2129}}^1$

素因数の和:2646

約数の個数: 64

約数和(自身を含む): 386467200

約数和(自身を除く): 257960760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 503, 1006, 1509, 2012, 2129, 2515, 3018, 4024, 4258, 5030, 6036, 6387, 7545, 8516, 10060, 10645, 12072, 12774, 15090, 17032, 20120, 21290, 25548, 30180, 31935, 42580, 51096, 60360, 63870, 85160, 127740, 255480, 1070887, 2141774, 3212661, 4283548, 5354435, 6425322, 8567096, 10708870, 12850644, 16063305, 21417740, 25701288, 32126610, 42835480, 64253220, 128506440]

約数ペア:

[(1, 128506440), (2, 64253220), (3, 42835480), (4, 32126610), (5, 25701288), (6, 21417740), (8, 16063305), (10, 12850644), (12, 10708870), (15, 8567096), (20, 6425322), (24, 5354435), (30, 4283548), (40, 3212661), (60, 2141774), (120, 1070887), (503, 255480), (1006, 127740), (1509, 85160), (2012, 63870), (2129, 60360), (2515, 51096), (3018, 42580), (4024, 31935), (4258, 30180), (5030, 25548), (6036, 21290), (6387, 20120), (7545, 17032), (8516, 15090), (10060, 12774), (10645, 12072)]