135440640

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{3919}}^1$

素因数の和:3949

約数の個数: 144

約数和(自身を含む): 480748800

約数和(自身を除く): 345308160

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, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 3919, 4320, 5760, 6912, 7838, 8640, 11520, 11757, 15676, 17280, 19595, 23514, 31352, 34560, 35271, 39190, 47028, 58785, 62704, 70542, 78380, 94056, 105813, 117570, 125408, 141084, 156760, 176355, 188112, 211626, 235140, 250816, 282168, 313520, 352710, 376224, 423252, 470280, 501632, 529065, 564336, 627040, 705420, 752448, 846504, 940560, 1003264, 1058130, 1128672, 1254080, 1410840, 1504896, 1693008, 1881120, 2116260, 2257344, 2508160, 2821680, 3009792, 3386016, 3762240, 4232520, 4514688, 5016320, 5643360, 6772032, 7524480, 8465040, 9029376, 11286720, 13544064, 15048960, 16930080, 22573440, 27088128, 33860160, 45146880, 67720320, 135440640]

約数ペア:

[(1, 135440640), (2, 67720320), (3, 45146880), (4, 33860160), (5, 27088128), (6, 22573440), (8, 16930080), (9, 15048960), (10, 13544064), (12, 11286720), (15, 9029376), (16, 8465040), (18, 7524480), (20, 6772032), (24, 5643360), (27, 5016320), (30, 4514688), (32, 4232520), (36, 3762240), (40, 3386016), (45, 3009792), (48, 2821680), (54, 2508160), (60, 2257344), (64, 2116260), (72, 1881120), (80, 1693008), (90, 1504896), (96, 1410840), (108, 1254080), (120, 1128672), (128, 1058130), (135, 1003264), (144, 940560), (160, 846504), (180, 752448), (192, 705420), (216, 627040), (240, 564336), (256, 529065), (270, 501632), (288, 470280), (320, 423252), (360, 376224), (384, 352710), (432, 313520), (480, 282168), (540, 250816), (576, 235140), (640, 211626), (720, 188112), (768, 176355), (864, 156760), (960, 141084), (1080, 125408), (1152, 117570), (1280, 105813), (1440, 94056), (1728, 78380), (1920, 70542), (2160, 62704), (2304, 58785), (2880, 47028), (3456, 39190), (3840, 35271), (3919, 34560), (4320, 31352), (5760, 23514), (6912, 19595), (7838, 17280), (8640, 15676), (11520, 11757)]