27970920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 160

約数和(自身を含む): 96049800

約数和(自身を除く): 68078880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 89, 90, 97, 108, 120, 135, 162, 178, 180, 194, 216, 267, 270, 291, 324, 356, 360, 388, 405, 445, 485, 534, 540, 582, 648, 712, 776, 801, 810, 873, 890, 970, 1068, 1080, 1164, 1335, 1455, 1602, 1620, 1746, 1780, 1940, 2136, 2328, 2403, 2619, 2670, 2910, 3204, 3240, 3492, 3560, 3880, 4005, 4365, 4806, 5238, 5340, 5820, 6408, 6984, 7209, 7857, 8010, 8633, 8730, 9612, 10476, 10680, 11640, 12015, 13095, 14418, 15714, 16020, 17266, 17460, 19224, 20952, 24030, 25899, 26190, 28836, 31428, 32040, 34532, 34920, 36045, 39285, 43165, 48060, 51798, 52380, 57672, 62856, 69064, 72090, 77697, 78570, 86330, 96120, 103596, 104760, 129495, 144180, 155394, 157140, 172660, 207192, 233091, 258990, 288360, 310788, 314280, 345320, 388485, 466182, 517980, 621576, 699273, 776970, 932364, 1035960, 1165455, 1398546, 1553940, 1864728, 2330910, 2797092, 3107880, 3496365, 4661820, 5594184, 6992730, 9323640, 13985460, 27970920]

約数ペア:

[(1, 27970920), (2, 13985460), (3, 9323640), (4, 6992730), (5, 5594184), (6, 4661820), (8, 3496365), (9, 3107880), (10, 2797092), (12, 2330910), (15, 1864728), (18, 1553940), (20, 1398546), (24, 1165455), (27, 1035960), (30, 932364), (36, 776970), (40, 699273), (45, 621576), (54, 517980), (60, 466182), (72, 388485), (81, 345320), (89, 314280), (90, 310788), (97, 288360), (108, 258990), (120, 233091), (135, 207192), (162, 172660), (178, 157140), (180, 155394), (194, 144180), (216, 129495), (267, 104760), (270, 103596), (291, 96120), (324, 86330), (356, 78570), (360, 77697), (388, 72090), (405, 69064), (445, 62856), (485, 57672), (534, 52380), (540, 51798), (582, 48060), (648, 43165), (712, 39285), (776, 36045), (801, 34920), (810, 34532), (873, 32040), (890, 31428), (970, 28836), (1068, 26190), (1080, 25899), (1164, 24030), (1335, 20952), (1455, 19224), (1602, 17460), (1620, 17266), (1746, 16020), (1780, 15714), (1940, 14418), (2136, 13095), (2328, 12015), (2403, 11640), (2619, 10680), (2670, 10476), (2910, 9612), (3204, 8730), (3240, 8633), (3492, 8010), (3560, 7857), (3880, 7209), (4005, 6984), (4365, 6408), (4806, 5820), (5238, 5340)]