71917440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{5351}}^1$

素因数の和:5380

約数の個数: 128

約数和(自身を含む): 262033920

約数和(自身を除く): 190116480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 5351, 6720, 10702, 13440, 16053, 21404, 26755, 32106, 37457, 42808, 53510, 64212, 74914, 80265, 85616, 107020, 112371, 128424, 149828, 160530, 171232, 187285, 214040, 224742, 256848, 299656, 321060, 342464, 374570, 428080, 449484, 513696, 561855, 599312, 642120, 684928, 749140, 856160, 898968, 1027392, 1123710, 1198624, 1284240, 1498280, 1712320, 1797936, 2054784, 2247420, 2397248, 2568480, 2996560, 3424640, 3595872, 4494840, 4794496, 5136960, 5993120, 7191744, 8989680, 10273920, 11986240, 14383488, 17979360, 23972480, 35958720, 71917440]

約数ペア:

[(1, 71917440), (2, 35958720), (3, 23972480), (4, 17979360), (5, 14383488), (6, 11986240), (7, 10273920), (8, 8989680), (10, 7191744), (12, 5993120), (14, 5136960), (15, 4794496), (16, 4494840), (20, 3595872), (21, 3424640), (24, 2996560), (28, 2568480), (30, 2397248), (32, 2247420), (35, 2054784), (40, 1797936), (42, 1712320), (48, 1498280), (56, 1284240), (60, 1198624), (64, 1123710), (70, 1027392), (80, 898968), (84, 856160), (96, 749140), (105, 684928), (112, 642120), (120, 599312), (128, 561855), (140, 513696), (160, 449484), (168, 428080), (192, 374570), (210, 342464), (224, 321060), (240, 299656), (280, 256848), (320, 224742), (336, 214040), (384, 187285), (420, 171232), (448, 160530), (480, 149828), (560, 128424), (640, 112371), (672, 107020), (840, 85616), (896, 80265), (960, 74914), (1120, 64212), (1344, 53510), (1680, 42808), (1920, 37457), (2240, 32106), (2688, 26755), (3360, 21404), (4480, 16053), (5351, 13440), (6720, 10702)]