28505250

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 128

約数和(自身を含む): 81768960

約数和(自身を除く): 53263710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 41, 45, 50, 54, 75, 82, 90, 103, 123, 125, 135, 150, 205, 206, 225, 246, 250, 270, 309, 369, 375, 410, 450, 515, 615, 618, 675, 738, 750, 927, 1025, 1030, 1107, 1125, 1230, 1350, 1545, 1845, 1854, 2050, 2214, 2250, 2575, 2781, 3075, 3090, 3375, 3690, 4223, 4635, 5125, 5150, 5535, 5562, 6150, 6750, 7725, 8446, 9225, 9270, 10250, 11070, 12669, 12875, 13905, 15375, 15450, 18450, 21115, 23175, 25338, 25750, 27675, 27810, 30750, 38007, 38625, 42230, 46125, 46350, 55350, 63345, 69525, 76014, 77250, 92250, 105575, 114021, 115875, 126690, 138375, 139050, 190035, 211150, 228042, 231750, 276750, 316725, 347625, 380070, 527875, 570105, 633450, 695250, 950175, 1055750, 1140210, 1583625, 1900350, 2850525, 3167250, 4750875, 5701050, 9501750, 14252625, 28505250]

約数ペア:

[(1, 28505250), (2, 14252625), (3, 9501750), (5, 5701050), (6, 4750875), (9, 3167250), (10, 2850525), (15, 1900350), (18, 1583625), (25, 1140210), (27, 1055750), (30, 950175), (41, 695250), (45, 633450), (50, 570105), (54, 527875), (75, 380070), (82, 347625), (90, 316725), (103, 276750), (123, 231750), (125, 228042), (135, 211150), (150, 190035), (205, 139050), (206, 138375), (225, 126690), (246, 115875), (250, 114021), (270, 105575), (309, 92250), (369, 77250), (375, 76014), (410, 69525), (450, 63345), (515, 55350), (615, 46350), (618, 46125), (675, 42230), (738, 38625), (750, 38007), (927, 30750), (1025, 27810), (1030, 27675), (1107, 25750), (1125, 25338), (1230, 23175), (1350, 21115), (1545, 18450), (1845, 15450), (1854, 15375), (2050, 13905), (2214, 12875), (2250, 12669), (2575, 11070), (2781, 10250), (3075, 9270), (3090, 9225), (3375, 8446), (3690, 7725), (4223, 6750), (4635, 6150), (5125, 5562), (5150, 5535)]