64921920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{9661}}^1$

素因数の和:9688

約数の個数: 112

約数和(自身を含む): 235598208

約数和(自身を除く): 170676288

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, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 9661, 19322, 28983, 38644, 48305, 57966, 67627, 77288, 96610, 115932, 135254, 144915, 154576, 193220, 202881, 231864, 270508, 289830, 309152, 338135, 386440, 405762, 463728, 541016, 579660, 618304, 676270, 772880, 811524, 927456, 1014405, 1082032, 1159320, 1352540, 1545760, 1623048, 1854912, 2028810, 2164064, 2318640, 2705080, 3091520, 3246096, 4057620, 4328128, 4637280, 5410160, 6492192, 8115240, 9274560, 10820320, 12984384, 16230480, 21640640, 32460960, 64921920]

約数ペア:

[(1, 64921920), (2, 32460960), (3, 21640640), (4, 16230480), (5, 12984384), (6, 10820320), (7, 9274560), (8, 8115240), (10, 6492192), (12, 5410160), (14, 4637280), (15, 4328128), (16, 4057620), (20, 3246096), (21, 3091520), (24, 2705080), (28, 2318640), (30, 2164064), (32, 2028810), (35, 1854912), (40, 1623048), (42, 1545760), (48, 1352540), (56, 1159320), (60, 1082032), (64, 1014405), (70, 927456), (80, 811524), (84, 772880), (96, 676270), (105, 618304), (112, 579660), (120, 541016), (140, 463728), (160, 405762), (168, 386440), (192, 338135), (210, 309152), (224, 289830), (240, 270508), (280, 231864), (320, 202881), (336, 193220), (420, 154576), (448, 144915), (480, 135254), (560, 115932), (672, 96610), (840, 77288), (960, 67627), (1120, 57966), (1344, 48305), (1680, 38644), (2240, 28983), (3360, 19322), (6720, 9661)]