18756731520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1085459}}^1$

素因数の和:1085487

約数の個数: 128

約数和(自身を含む): 66430152000

約数和(自身を除く): 47673420480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 1085459, 2170918, 3256377, 4341836, 5427295, 6512754, 8683672, 9769131, 10854590, 13025508, 16281885, 17367344, 19538262, 21709180, 26051016, 29307393, 32563770, 34734688, 39076524, 43418360, 48845655, 52102032, 58614786, 65127540, 69469376, 78153048, 86836720, 97691310, 104204064, 117229572, 130255080, 138938752, 146536965, 156306096, 173673440, 195382620, 208408128, 234459144, 260510160, 293073930, 312612192, 347346880, 390765240, 416816256, 468918288, 521020320, 586147860, 625224384, 694693760, 781530480, 937836576, 1042040640, 1172295720, 1250448768, 1563060960, 1875673152, 2084081280, 2344591440, 3126121920, 3751346304, 4689182880, 6252243840, 9378365760, 18756731520]

約数ペア:

[(1, 18756731520), (2, 9378365760), (3, 6252243840), (4, 4689182880), (5, 3751346304), (6, 3126121920), (8, 2344591440), (9, 2084081280), (10, 1875673152), (12, 1563060960), (15, 1250448768), (16, 1172295720), (18, 1042040640), (20, 937836576), (24, 781530480), (27, 694693760), (30, 625224384), (32, 586147860), (36, 521020320), (40, 468918288), (45, 416816256), (48, 390765240), (54, 347346880), (60, 312612192), (64, 293073930), (72, 260510160), (80, 234459144), (90, 208408128), (96, 195382620), (108, 173673440), (120, 156306096), (128, 146536965), (135, 138938752), (144, 130255080), (160, 117229572), (180, 104204064), (192, 97691310), (216, 86836720), (240, 78153048), (270, 69469376), (288, 65127540), (320, 58614786), (360, 52102032), (384, 48845655), (432, 43418360), (480, 39076524), (540, 34734688), (576, 32563770), (640, 29307393), (720, 26051016), (864, 21709180), (960, 19538262), (1080, 17367344), (1152, 16281885), (1440, 13025508), (1728, 10854590), (1920, 9769131), (2160, 8683672), (2880, 6512754), (3456, 5427295), (4320, 4341836), (5760, 3256377), (8640, 2170918), (17280, 1085459)]