340640640

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{6571}}^1$

素因数の和:6602

約数の個数: 160

約数和(自身を含む): 1216674360

約数和(自身を除く): 876033720

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1620, 1728, 1920, 2160, 2592, 2880, 3240, 3456, 4320, 5184, 5760, 6480, 6571, 8640, 10368, 12960, 13142, 17280, 19713, 25920, 26284, 32855, 39426, 51840, 52568, 59139, 65710, 78852, 98565, 105136, 118278, 131420, 157704, 177417, 197130, 210272, 236556, 262840, 295695, 315408, 354834, 394260, 420544, 473112, 525680, 532251, 591390, 630816, 709668, 788520, 841088, 887085, 946224, 1051360, 1064502, 1182780, 1261632, 1419336, 1577040, 1774170, 1892448, 2102720, 2129004, 2365560, 2523264, 2661255, 2838672, 3154080, 3548340, 3784896, 4205440, 4258008, 4731120, 5322510, 5677344, 6308160, 7096680, 7569792, 8516016, 9462240, 10645020, 11354688, 12616320, 14193360, 17032032, 18924480, 21290040, 22709376, 28386720, 34064064, 37848960, 42580080, 56773440, 68128128, 85160160, 113546880, 170320320, 340640640]

約数ペア:

[(1, 340640640), (2, 170320320), (3, 113546880), (4, 85160160), (5, 68128128), (6, 56773440), (8, 42580080), (9, 37848960), (10, 34064064), (12, 28386720), (15, 22709376), (16, 21290040), (18, 18924480), (20, 17032032), (24, 14193360), (27, 12616320), (30, 11354688), (32, 10645020), (36, 9462240), (40, 8516016), (45, 7569792), (48, 7096680), (54, 6308160), (60, 5677344), (64, 5322510), (72, 4731120), (80, 4258008), (81, 4205440), (90, 3784896), (96, 3548340), (108, 3154080), (120, 2838672), (128, 2661255), (135, 2523264), (144, 2365560), (160, 2129004), (162, 2102720), (180, 1892448), (192, 1774170), (216, 1577040), (240, 1419336), (270, 1261632), (288, 1182780), (320, 1064502), (324, 1051360), (360, 946224), (384, 887085), (405, 841088), (432, 788520), (480, 709668), (540, 630816), (576, 591390), (640, 532251), (648, 525680), (720, 473112), (810, 420544), (864, 394260), (960, 354834), (1080, 315408), (1152, 295695), (1296, 262840), (1440, 236556), (1620, 210272), (1728, 197130), (1920, 177417), (2160, 157704), (2592, 131420), (2880, 118278), (3240, 105136), (3456, 98565), (4320, 78852), (5184, 65710), (5760, 59139), (6480, 52568), (6571, 51840), (8640, 39426), (10368, 32855), (12960, 26284), (13142, 25920), (17280, 19713)]