28649700

素因数分解:

$2^2\times 3^7\times 5^2\times {\mathrm{131}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 93952320

約数和(自身を除く): 65302620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 131, 135, 150, 162, 180, 225, 243, 262, 270, 300, 324, 393, 405, 450, 486, 524, 540, 655, 675, 729, 786, 810, 900, 972, 1179, 1215, 1310, 1350, 1458, 1572, 1620, 1965, 2025, 2187, 2358, 2430, 2620, 2700, 2916, 3275, 3537, 3645, 3930, 4050, 4374, 4716, 4860, 5895, 6075, 6550, 7074, 7290, 7860, 8100, 8748, 9825, 10611, 10935, 11790, 12150, 13100, 14148, 14580, 17685, 18225, 19650, 21222, 21870, 23580, 24300, 29475, 31833, 35370, 36450, 39300, 42444, 43740, 53055, 54675, 58950, 63666, 70740, 72900, 88425, 95499, 106110, 109350, 117900, 127332, 159165, 176850, 190998, 212220, 218700, 265275, 286497, 318330, 353700, 381996, 477495, 530550, 572994, 636660, 795825, 954990, 1061100, 1145988, 1432485, 1591650, 1909980, 2387475, 2864970, 3183300, 4774950, 5729940, 7162425, 9549900, 14324850, 28649700]

約数ペア:

[(1, 28649700), (2, 14324850), (3, 9549900), (4, 7162425), (5, 5729940), (6, 4774950), (9, 3183300), (10, 2864970), (12, 2387475), (15, 1909980), (18, 1591650), (20, 1432485), (25, 1145988), (27, 1061100), (30, 954990), (36, 795825), (45, 636660), (50, 572994), (54, 530550), (60, 477495), (75, 381996), (81, 353700), (90, 318330), (100, 286497), (108, 265275), (131, 218700), (135, 212220), (150, 190998), (162, 176850), (180, 159165), (225, 127332), (243, 117900), (262, 109350), (270, 106110), (300, 95499), (324, 88425), (393, 72900), (405, 70740), (450, 63666), (486, 58950), (524, 54675), (540, 53055), (655, 43740), (675, 42444), (729, 39300), (786, 36450), (810, 35370), (900, 31833), (972, 29475), (1179, 24300), (1215, 23580), (1310, 21870), (1350, 21222), (1458, 19650), (1572, 18225), (1620, 17685), (1965, 14580), (2025, 14148), (2187, 13100), (2358, 12150), (2430, 11790), (2620, 10935), (2700, 10611), (2916, 9825), (3275, 8748), (3537, 8100), (3645, 7860), (3930, 7290), (4050, 7074), (4374, 6550), (4716, 6075), (4860, 5895)]