28677480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:651

約数の個数: 128

約数和(自身を含む): 95800320

約数和(自身を除く): 67122840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 593, 620, 744, 780, 806, 930, 1186, 1209, 1240, 1560, 1612, 1779, 1860, 2015, 2372, 2418, 2965, 3224, 3558, 3720, 4030, 4744, 4836, 5930, 6045, 7116, 7709, 8060, 8895, 9672, 11860, 12090, 14232, 15418, 16120, 17790, 18383, 23127, 23720, 24180, 30836, 35580, 36766, 38545, 46254, 48360, 55149, 61672, 71160, 73532, 77090, 91915, 92508, 110298, 115635, 147064, 154180, 183830, 185016, 220596, 231270, 238979, 275745, 308360, 367660, 441192, 462540, 477958, 551490, 716937, 735320, 925080, 955916, 1102980, 1194895, 1433874, 1911832, 2205960, 2389790, 2867748, 3584685, 4779580, 5735496, 7169370, 9559160, 14338740, 28677480]

約数ペア:

[(1, 28677480), (2, 14338740), (3, 9559160), (4, 7169370), (5, 5735496), (6, 4779580), (8, 3584685), (10, 2867748), (12, 2389790), (13, 2205960), (15, 1911832), (20, 1433874), (24, 1194895), (26, 1102980), (30, 955916), (31, 925080), (39, 735320), (40, 716937), (52, 551490), (60, 477958), (62, 462540), (65, 441192), (78, 367660), (93, 308360), (104, 275745), (120, 238979), (124, 231270), (130, 220596), (155, 185016), (156, 183830), (186, 154180), (195, 147064), (248, 115635), (260, 110298), (310, 92508), (312, 91915), (372, 77090), (390, 73532), (403, 71160), (465, 61672), (520, 55149), (593, 48360), (620, 46254), (744, 38545), (780, 36766), (806, 35580), (930, 30836), (1186, 24180), (1209, 23720), (1240, 23127), (1560, 18383), (1612, 17790), (1779, 16120), (1860, 15418), (2015, 14232), (2372, 12090), (2418, 11860), (2965, 9672), (3224, 8895), (3558, 8060), (3720, 7709), (4030, 7116), (4744, 6045), (4836, 5930)]