40728960

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{2357}}^1$

素因数の和:2385

約数の個数: 128

約数和(自身を含む): 144309600

約数和(自身を除く): 103580640

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, 2357, 2880, 3456, 4320, 4714, 5760, 7071, 8640, 9428, 11785, 14142, 17280, 18856, 21213, 23570, 28284, 35355, 37712, 42426, 47140, 56568, 63639, 70710, 75424, 84852, 94280, 106065, 113136, 127278, 141420, 150848, 169704, 188560, 212130, 226272, 254556, 282840, 301696, 318195, 339408, 377120, 424260, 452544, 509112, 565680, 636390, 678816, 754240, 848520, 905088, 1018224, 1131360, 1272780, 1357632, 1508480, 1697040, 2036448, 2262720, 2545560, 2715264, 3394080, 4072896, 4525440, 5091120, 6788160, 8145792, 10182240, 13576320, 20364480, 40728960]

約数ペア:

[(1, 40728960), (2, 20364480), (3, 13576320), (4, 10182240), (5, 8145792), (6, 6788160), (8, 5091120), (9, 4525440), (10, 4072896), (12, 3394080), (15, 2715264), (16, 2545560), (18, 2262720), (20, 2036448), (24, 1697040), (27, 1508480), (30, 1357632), (32, 1272780), (36, 1131360), (40, 1018224), (45, 905088), (48, 848520), (54, 754240), (60, 678816), (64, 636390), (72, 565680), (80, 509112), (90, 452544), (96, 424260), (108, 377120), (120, 339408), (128, 318195), (135, 301696), (144, 282840), (160, 254556), (180, 226272), (192, 212130), (216, 188560), (240, 169704), (270, 150848), (288, 141420), (320, 127278), (360, 113136), (384, 106065), (432, 94280), (480, 84852), (540, 75424), (576, 70710), (640, 63639), (720, 56568), (864, 47140), (960, 42426), (1080, 37712), (1152, 35355), (1440, 28284), (1728, 23570), (1920, 21213), (2160, 18856), (2357, 17280), (2880, 14142), (3456, 11785), (4320, 9428), (4714, 8640), (5760, 7071)]