28331640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:766

約数の個数: 128

約数和(自身を含む): 97128000

約数和(自身を除く): 68796360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 540, 555, 666, 709, 740, 888, 999, 1080, 1110, 1332, 1418, 1480, 1665, 1998, 2127, 2220, 2664, 2836, 3330, 3545, 3996, 4254, 4440, 4995, 5672, 6381, 6660, 7090, 7992, 8508, 9990, 10635, 12762, 13320, 14180, 17016, 19143, 19980, 21270, 25524, 26233, 28360, 31905, 38286, 39960, 42540, 51048, 52466, 63810, 76572, 78699, 85080, 95715, 104932, 127620, 131165, 153144, 157398, 191430, 209864, 236097, 255240, 262330, 314796, 382860, 393495, 472194, 524660, 629592, 708291, 765720, 786990, 944388, 1049320, 1180485, 1416582, 1573980, 1888776, 2360970, 2833164, 3147960, 3541455, 4721940, 5666328, 7082910, 9443880, 14165820, 28331640]

約数ペア:

[(1, 28331640), (2, 14165820), (3, 9443880), (4, 7082910), (5, 5666328), (6, 4721940), (8, 3541455), (9, 3147960), (10, 2833164), (12, 2360970), (15, 1888776), (18, 1573980), (20, 1416582), (24, 1180485), (27, 1049320), (30, 944388), (36, 786990), (37, 765720), (40, 708291), (45, 629592), (54, 524660), (60, 472194), (72, 393495), (74, 382860), (90, 314796), (108, 262330), (111, 255240), (120, 236097), (135, 209864), (148, 191430), (180, 157398), (185, 153144), (216, 131165), (222, 127620), (270, 104932), (296, 95715), (333, 85080), (360, 78699), (370, 76572), (444, 63810), (540, 52466), (555, 51048), (666, 42540), (709, 39960), (740, 38286), (888, 31905), (999, 28360), (1080, 26233), (1110, 25524), (1332, 21270), (1418, 19980), (1480, 19143), (1665, 17016), (1998, 14180), (2127, 13320), (2220, 12762), (2664, 10635), (2836, 9990), (3330, 8508), (3545, 7992), (3996, 7090), (4254, 6660), (4440, 6381), (4995, 5672)]