20040480

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4639}}^1$

素因数の和:4663

約数の個数: 96

約数和(自身を含む): 70156800

約数和(自身を除く): 50116320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4639, 9278, 13917, 18556, 23195, 27834, 37112, 41751, 46390, 55668, 69585, 74224, 83502, 92780, 111336, 125253, 139170, 148448, 167004, 185560, 208755, 222672, 250506, 278340, 334008, 371120, 417510, 445344, 501012, 556680, 626265, 668016, 742240, 835020, 1002024, 1113360, 1252530, 1336032, 1670040, 2004048, 2226720, 2505060, 3340080, 4008096, 5010120, 6680160, 10020240, 20040480]

約数ペア:

[(1, 20040480), (2, 10020240), (3, 6680160), (4, 5010120), (5, 4008096), (6, 3340080), (8, 2505060), (9, 2226720), (10, 2004048), (12, 1670040), (15, 1336032), (16, 1252530), (18, 1113360), (20, 1002024), (24, 835020), (27, 742240), (30, 668016), (32, 626265), (36, 556680), (40, 501012), (45, 445344), (48, 417510), (54, 371120), (60, 334008), (72, 278340), (80, 250506), (90, 222672), (96, 208755), (108, 185560), (120, 167004), (135, 148448), (144, 139170), (160, 125253), (180, 111336), (216, 92780), (240, 83502), (270, 74224), (288, 69585), (360, 55668), (432, 46390), (480, 41751), (540, 37112), (720, 27834), (864, 23195), (1080, 18556), (1440, 13917), (2160, 9278), (4320, 4639)]