208023840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{144461}}^1$

素因数の和:144482

約数の個数: 72

約数和(自身を含む): 709886268

約数和(自身を除く): 501862428

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 144461, 288922, 433383, 577844, 722305, 866766, 1155688, 1300149, 1444610, 1733532, 2166915, 2311376, 2600298, 2889220, 3467064, 4333830, 4622752, 5200596, 5778440, 6500745, 6934128, 8667660, 10401192, 11556880, 13001490, 13868256, 17335320, 20802384, 23113760, 26002980, 34670640, 41604768, 52005960, 69341280, 104011920, 208023840]

約数ペア:

[(1, 208023840), (2, 104011920), (3, 69341280), (4, 52005960), (5, 41604768), (6, 34670640), (8, 26002980), (9, 23113760), (10, 20802384), (12, 17335320), (15, 13868256), (16, 13001490), (18, 11556880), (20, 10401192), (24, 8667660), (30, 6934128), (32, 6500745), (36, 5778440), (40, 5200596), (45, 4622752), (48, 4333830), (60, 3467064), (72, 2889220), (80, 2600298), (90, 2311376), (96, 2166915), (120, 1733532), (144, 1444610), (160, 1300149), (180, 1155688), (240, 866766), (288, 722305), (360, 577844), (480, 433383), (720, 288922), (1440, 144461)]