78981000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{3761}}^1$

素因数の和:3792

約数の個数: 128

約数和(自身を含む): 281698560

約数和(自身を除く): 202717560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 840, 875, 1000, 1050, 1400, 1500, 1750, 2100, 2625, 3000, 3500, 3761, 4200, 5250, 7000, 7522, 10500, 11283, 15044, 18805, 21000, 22566, 26327, 30088, 37610, 45132, 52654, 56415, 75220, 78981, 90264, 94025, 105308, 112830, 131635, 150440, 157962, 188050, 210616, 225660, 263270, 282075, 315924, 376100, 394905, 451320, 470125, 526540, 564150, 631848, 658175, 752200, 789810, 940250, 1053080, 1128300, 1316350, 1410375, 1579620, 1880500, 1974525, 2256600, 2632700, 2820750, 3159240, 3290875, 3761000, 3949050, 5265400, 5641500, 6581750, 7898100, 9872625, 11283000, 13163500, 15796200, 19745250, 26327000, 39490500, 78981000]

約数ペア:

[(1, 78981000), (2, 39490500), (3, 26327000), (4, 19745250), (5, 15796200), (6, 13163500), (7, 11283000), (8, 9872625), (10, 7898100), (12, 6581750), (14, 5641500), (15, 5265400), (20, 3949050), (21, 3761000), (24, 3290875), (25, 3159240), (28, 2820750), (30, 2632700), (35, 2256600), (40, 1974525), (42, 1880500), (50, 1579620), (56, 1410375), (60, 1316350), (70, 1128300), (75, 1053080), (84, 940250), (100, 789810), (105, 752200), (120, 658175), (125, 631848), (140, 564150), (150, 526540), (168, 470125), (175, 451320), (200, 394905), (210, 376100), (250, 315924), (280, 282075), (300, 263270), (350, 225660), (375, 210616), (420, 188050), (500, 157962), (525, 150440), (600, 131635), (700, 112830), (750, 105308), (840, 94025), (875, 90264), (1000, 78981), (1050, 75220), (1400, 56415), (1500, 52654), (1750, 45132), (2100, 37610), (2625, 30088), (3000, 26327), (3500, 22566), (3761, 21000), (4200, 18805), (5250, 15044), (7000, 11283), (7522, 10500)]