68906880

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{1709}}^1$

素因数の和:1741

約数の個数: 192

約数和(自身を含む): 272095200

約数和(自身を除く): 203188320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1709, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 3418, 4032, 4480, 5040, 5127, 5760, 6720, 6836, 8064, 8545, 10080, 10254, 11963, 13440, 13672, 15381, 17090, 20160, 20508, 23926, 25635, 27344, 30762, 34180, 35889, 40320, 41016, 47852, 51270, 54688, 59815, 61524, 68360, 71778, 76905, 82032, 95704, 102540, 107667, 109376, 119630, 123048, 136720, 143556, 153810, 164064, 179445, 191408, 205080, 215334, 218752, 239260, 246096, 273440, 287112, 307620, 328128, 358890, 382816, 410160, 430668, 478520, 492192, 538335, 546880, 574224, 615240, 656256, 717780, 765632, 820320, 861336, 957040, 984384, 1076670, 1093760, 1148448, 1230480, 1435560, 1531264, 1640640, 1722672, 1914080, 1968768, 2153340, 2296896, 2460960, 2871120, 3281280, 3445344, 3828160, 4306680, 4593792, 4921920, 5742240, 6890688, 7656320, 8613360, 9843840, 11484480, 13781376, 17226720, 22968960, 34453440, 68906880]

約数ペア:

[(1, 68906880), (2, 34453440), (3, 22968960), (4, 17226720), (5, 13781376), (6, 11484480), (7, 9843840), (8, 8613360), (9, 7656320), (10, 6890688), (12, 5742240), (14, 4921920), (15, 4593792), (16, 4306680), (18, 3828160), (20, 3445344), (21, 3281280), (24, 2871120), (28, 2460960), (30, 2296896), (32, 2153340), (35, 1968768), (36, 1914080), (40, 1722672), (42, 1640640), (45, 1531264), (48, 1435560), (56, 1230480), (60, 1148448), (63, 1093760), (64, 1076670), (70, 984384), (72, 957040), (80, 861336), (84, 820320), (90, 765632), (96, 717780), (105, 656256), (112, 615240), (120, 574224), (126, 546880), (128, 538335), (140, 492192), (144, 478520), (160, 430668), (168, 410160), (180, 382816), (192, 358890), (210, 328128), (224, 307620), (240, 287112), (252, 273440), (280, 246096), (288, 239260), (315, 218752), (320, 215334), (336, 205080), (360, 191408), (384, 179445), (420, 164064), (448, 153810), (480, 143556), (504, 136720), (560, 123048), (576, 119630), (630, 109376), (640, 107667), (672, 102540), (720, 95704), (840, 82032), (896, 76905), (960, 71778), (1008, 68360), (1120, 61524), (1152, 59815), (1260, 54688), (1344, 51270), (1440, 47852), (1680, 41016), (1709, 40320), (1920, 35889), (2016, 34180), (2240, 30762), (2520, 27344), (2688, 25635), (2880, 23926), (3360, 20508), (3418, 20160), (4032, 17090), (4480, 15381), (5040, 13672), (5127, 13440), (5760, 11963), (6720, 10254), (6836, 10080), (8064, 8545)]