64808520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{77153}}^1$

素因数の和:77174

約数の個数: 64

約数和(自身を含む): 222203520

約数和(自身を除く): 157395000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 77153, 154306, 231459, 308612, 385765, 462918, 540071, 617224, 771530, 925836, 1080142, 1157295, 1543060, 1620213, 1851672, 2160284, 2314590, 2700355, 3086120, 3240426, 4320568, 4629180, 5400710, 6480852, 8101065, 9258360, 10801420, 12961704, 16202130, 21602840, 32404260, 64808520]

約数ペア:

[(1, 64808520), (2, 32404260), (3, 21602840), (4, 16202130), (5, 12961704), (6, 10801420), (7, 9258360), (8, 8101065), (10, 6480852), (12, 5400710), (14, 4629180), (15, 4320568), (20, 3240426), (21, 3086120), (24, 2700355), (28, 2314590), (30, 2160284), (35, 1851672), (40, 1620213), (42, 1543060), (56, 1157295), (60, 1080142), (70, 925836), (84, 771530), (105, 617224), (120, 540071), (140, 462918), (168, 385765), (210, 308612), (280, 231459), (420, 154306), (840, 77153)]