20870400

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{1087}}^1$

素因数の和:1116

約数の個数: 108

約数和(自身を含む): 68940032

約数和(自身を除く): 48069632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 600, 640, 768, 800, 960, 1087, 1200, 1280, 1600, 1920, 2174, 2400, 3200, 3261, 3840, 4348, 4800, 5435, 6400, 6522, 8696, 9600, 10870, 13044, 16305, 17392, 19200, 21740, 26088, 27175, 32610, 34784, 43480, 52176, 54350, 65220, 69568, 81525, 86960, 104352, 108700, 130440, 139136, 163050, 173920, 208704, 217400, 260880, 278272, 326100, 347840, 417408, 434800, 521760, 652200, 695680, 834816, 869600, 1043520, 1304400, 1391360, 1739200, 2087040, 2608800, 3478400, 4174080, 5217600, 6956800, 10435200, 20870400]

約数ペア:

[(1, 20870400), (2, 10435200), (3, 6956800), (4, 5217600), (5, 4174080), (6, 3478400), (8, 2608800), (10, 2087040), (12, 1739200), (15, 1391360), (16, 1304400), (20, 1043520), (24, 869600), (25, 834816), (30, 695680), (32, 652200), (40, 521760), (48, 434800), (50, 417408), (60, 347840), (64, 326100), (75, 278272), (80, 260880), (96, 217400), (100, 208704), (120, 173920), (128, 163050), (150, 139136), (160, 130440), (192, 108700), (200, 104352), (240, 86960), (256, 81525), (300, 69568), (320, 65220), (384, 54350), (400, 52176), (480, 43480), (600, 34784), (640, 32610), (768, 27175), (800, 26088), (960, 21740), (1087, 19200), (1200, 17392), (1280, 16305), (1600, 13044), (1920, 10870), (2174, 9600), (2400, 8696), (3200, 6522), (3261, 6400), (3840, 5435), (4348, 4800)]