217877760

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{18913}}^1$

素因数の和:18940

約数の個数: 108

約数和(自身を含む): 753874212

約数和(自身を除く): 535996452

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 18913, 37826, 56739, 75652, 94565, 113478, 151304, 170217, 189130, 226956, 283695, 302608, 340434, 378260, 453912, 567390, 605216, 680868, 756520, 851085, 907824, 1134780, 1210432, 1361736, 1513040, 1702170, 1815648, 2269560, 2420864, 2723472, 3026080, 3404340, 3631296, 4539120, 4841728, 5446944, 6052160, 6808680, 7262592, 9078240, 10893888, 12104320, 13617360, 14525184, 18156480, 21787776, 24208640, 27234720, 36312960, 43575552, 54469440, 72625920, 108938880, 217877760]

約数ペア:

[(1, 217877760), (2, 108938880), (3, 72625920), (4, 54469440), (5, 43575552), (6, 36312960), (8, 27234720), (9, 24208640), (10, 21787776), (12, 18156480), (15, 14525184), (16, 13617360), (18, 12104320), (20, 10893888), (24, 9078240), (30, 7262592), (32, 6808680), (36, 6052160), (40, 5446944), (45, 4841728), (48, 4539120), (60, 3631296), (64, 3404340), (72, 3026080), (80, 2723472), (90, 2420864), (96, 2269560), (120, 1815648), (128, 1702170), (144, 1513040), (160, 1361736), (180, 1210432), (192, 1134780), (240, 907824), (256, 851085), (288, 756520), (320, 680868), (360, 605216), (384, 567390), (480, 453912), (576, 378260), (640, 340434), (720, 302608), (768, 283695), (960, 226956), (1152, 189130), (1280, 170217), (1440, 151304), (1920, 113478), (2304, 94565), (2880, 75652), (3840, 56739), (5760, 37826), (11520, 18913)]