18427680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 144

約数和(自身を含む): 64157184

約数和(自身を除く): 45729504

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, 67, 72, 80, 90, 96, 120, 134, 144, 160, 180, 191, 201, 240, 268, 288, 335, 360, 382, 402, 480, 536, 573, 603, 670, 720, 764, 804, 955, 1005, 1072, 1146, 1206, 1340, 1440, 1528, 1608, 1719, 1910, 2010, 2144, 2292, 2412, 2680, 2865, 3015, 3056, 3216, 3438, 3820, 4020, 4584, 4824, 5360, 5730, 6030, 6112, 6432, 6876, 7640, 8040, 8595, 9168, 9648, 10720, 11460, 12060, 12797, 13752, 15280, 16080, 17190, 18336, 19296, 22920, 24120, 25594, 27504, 30560, 32160, 34380, 38391, 45840, 48240, 51188, 55008, 63985, 68760, 76782, 91680, 96480, 102376, 115173, 127970, 137520, 153564, 191955, 204752, 230346, 255940, 275040, 307128, 383910, 409504, 460692, 511880, 575865, 614256, 767820, 921384, 1023760, 1151730, 1228512, 1535640, 1842768, 2047520, 2303460, 3071280, 3685536, 4606920, 6142560, 9213840, 18427680]

約数ペア:

[(1, 18427680), (2, 9213840), (3, 6142560), (4, 4606920), (5, 3685536), (6, 3071280), (8, 2303460), (9, 2047520), (10, 1842768), (12, 1535640), (15, 1228512), (16, 1151730), (18, 1023760), (20, 921384), (24, 767820), (30, 614256), (32, 575865), (36, 511880), (40, 460692), (45, 409504), (48, 383910), (60, 307128), (67, 275040), (72, 255940), (80, 230346), (90, 204752), (96, 191955), (120, 153564), (134, 137520), (144, 127970), (160, 115173), (180, 102376), (191, 96480), (201, 91680), (240, 76782), (268, 68760), (288, 63985), (335, 55008), (360, 51188), (382, 48240), (402, 45840), (480, 38391), (536, 34380), (573, 32160), (603, 30560), (670, 27504), (720, 25594), (764, 24120), (804, 22920), (955, 19296), (1005, 18336), (1072, 17190), (1146, 16080), (1206, 15280), (1340, 13752), (1440, 12797), (1528, 12060), (1608, 11460), (1719, 10720), (1910, 9648), (2010, 9168), (2144, 8595), (2292, 8040), (2412, 7640), (2680, 6876), (2865, 6432), (3015, 6112), (3056, 6030), (3216, 5730), (3438, 5360), (3820, 4824), (4020, 4584)]