21845160

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:312

約数の個数: 128

約数和(自身を含む): 73872000

約数和(自身を除く): 52026840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 113, 120, 135, 179, 180, 216, 226, 270, 339, 358, 360, 452, 537, 540, 565, 678, 716, 895, 904, 1017, 1074, 1080, 1130, 1356, 1432, 1611, 1695, 1790, 2034, 2148, 2260, 2685, 2712, 3051, 3222, 3390, 3580, 4068, 4296, 4520, 4833, 5085, 5370, 6102, 6444, 6780, 7160, 8055, 8136, 9666, 10170, 10740, 12204, 12888, 13560, 15255, 16110, 19332, 20227, 20340, 21480, 24165, 24408, 30510, 32220, 38664, 40454, 40680, 48330, 60681, 61020, 64440, 80908, 96660, 101135, 121362, 122040, 161816, 182043, 193320, 202270, 242724, 303405, 364086, 404540, 485448, 546129, 606810, 728172, 809080, 910215, 1092258, 1213620, 1456344, 1820430, 2184516, 2427240, 2730645, 3640860, 4369032, 5461290, 7281720, 10922580, 21845160]

約数ペア:

[(1, 21845160), (2, 10922580), (3, 7281720), (4, 5461290), (5, 4369032), (6, 3640860), (8, 2730645), (9, 2427240), (10, 2184516), (12, 1820430), (15, 1456344), (18, 1213620), (20, 1092258), (24, 910215), (27, 809080), (30, 728172), (36, 606810), (40, 546129), (45, 485448), (54, 404540), (60, 364086), (72, 303405), (90, 242724), (108, 202270), (113, 193320), (120, 182043), (135, 161816), (179, 122040), (180, 121362), (216, 101135), (226, 96660), (270, 80908), (339, 64440), (358, 61020), (360, 60681), (452, 48330), (537, 40680), (540, 40454), (565, 38664), (678, 32220), (716, 30510), (895, 24408), (904, 24165), (1017, 21480), (1074, 20340), (1080, 20227), (1130, 19332), (1356, 16110), (1432, 15255), (1611, 13560), (1695, 12888), (1790, 12204), (2034, 10740), (2148, 10170), (2260, 9666), (2685, 8136), (2712, 8055), (3051, 7160), (3222, 6780), (3390, 6444), (3580, 6102), (4068, 5370), (4296, 5085), (4520, 4833)]