13385820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 45390240

約数和(自身を除く): 32004420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 70, 84, 87, 98, 105, 116, 140, 145, 147, 157, 174, 196, 203, 210, 245, 290, 294, 314, 348, 406, 420, 435, 471, 490, 580, 588, 609, 628, 735, 785, 812, 870, 942, 980, 1015, 1099, 1218, 1421, 1470, 1570, 1740, 1884, 2030, 2198, 2355, 2436, 2842, 2940, 3045, 3140, 3297, 4060, 4263, 4396, 4553, 4710, 5495, 5684, 6090, 6594, 7105, 7693, 8526, 9106, 9420, 10990, 12180, 13188, 13659, 14210, 15386, 16485, 17052, 18212, 21315, 21980, 22765, 23079, 27318, 28420, 30772, 31871, 32970, 38465, 42630, 45530, 46158, 54636, 63742, 65940, 68295, 76930, 85260, 91060, 92316, 95613, 115395, 127484, 136590, 153860, 159355, 191226, 223097, 230790, 273180, 318710, 382452, 446194, 461580, 478065, 637420, 669291, 892388, 956130, 1115485, 1338582, 1912260, 2230970, 2677164, 3346455, 4461940, 6692910, 13385820]

約数ペア:

[(1, 13385820), (2, 6692910), (3, 4461940), (4, 3346455), (5, 2677164), (6, 2230970), (7, 1912260), (10, 1338582), (12, 1115485), (14, 956130), (15, 892388), (20, 669291), (21, 637420), (28, 478065), (29, 461580), (30, 446194), (35, 382452), (42, 318710), (49, 273180), (58, 230790), (60, 223097), (70, 191226), (84, 159355), (87, 153860), (98, 136590), (105, 127484), (116, 115395), (140, 95613), (145, 92316), (147, 91060), (157, 85260), (174, 76930), (196, 68295), (203, 65940), (210, 63742), (245, 54636), (290, 46158), (294, 45530), (314, 42630), (348, 38465), (406, 32970), (420, 31871), (435, 30772), (471, 28420), (490, 27318), (580, 23079), (588, 22765), (609, 21980), (628, 21315), (735, 18212), (785, 17052), (812, 16485), (870, 15386), (942, 14210), (980, 13659), (1015, 13188), (1099, 12180), (1218, 10990), (1421, 9420), (1470, 9106), (1570, 8526), (1740, 7693), (1884, 7105), (2030, 6594), (2198, 6090), (2355, 5684), (2436, 5495), (2842, 4710), (2940, 4553), (3045, 4396), (3140, 4263), (3297, 4060)]