67720320

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{3919}}^1$

素因数の和:3947

約数の個数: 128

約数和(自身を含む): 239904000

約数和(自身を除く): 172183680

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, 3919, 4320, 5760, 7838, 8640, 11757, 15676, 17280, 19595, 23514, 31352, 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, 1058130, 1128672, 1254080, 1410840, 1504896, 1693008, 1881120, 2116260, 2257344, 2508160, 2821680, 3386016, 3762240, 4232520, 4514688, 5643360, 6772032, 7524480, 8465040, 11286720, 13544064, 16930080, 22573440, 33860160, 67720320]

約数ペア:

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