28635120

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{491}}^1$

素因数の和:522

約数の個数: 140

約数和(自身を含む): 100022616

約数和(自身を除く): 71387496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 491, 540, 648, 720, 729, 810, 972, 982, 1080, 1215, 1296, 1458, 1473, 1620, 1944, 1964, 2160, 2430, 2455, 2916, 2946, 3240, 3645, 3888, 3928, 4419, 4860, 4910, 5832, 5892, 6480, 7290, 7365, 7856, 8838, 9720, 9820, 11664, 11784, 13257, 14580, 14730, 17676, 19440, 19640, 22095, 23568, 26514, 29160, 29460, 35352, 39280, 39771, 44190, 53028, 58320, 58920, 66285, 70704, 79542, 88380, 106056, 117840, 119313, 132570, 159084, 176760, 198855, 212112, 238626, 265140, 318168, 353520, 357939, 397710, 477252, 530280, 596565, 636336, 715878, 795420, 954504, 1060560, 1193130, 1431756, 1590840, 1789695, 1909008, 2386260, 2863512, 3181680, 3579390, 4772520, 5727024, 7158780, 9545040, 14317560, 28635120]

約数ペア:

[(1, 28635120), (2, 14317560), (3, 9545040), (4, 7158780), (5, 5727024), (6, 4772520), (8, 3579390), (9, 3181680), (10, 2863512), (12, 2386260), (15, 1909008), (16, 1789695), (18, 1590840), (20, 1431756), (24, 1193130), (27, 1060560), (30, 954504), (36, 795420), (40, 715878), (45, 636336), (48, 596565), (54, 530280), (60, 477252), (72, 397710), (80, 357939), (81, 353520), (90, 318168), (108, 265140), (120, 238626), (135, 212112), (144, 198855), (162, 176760), (180, 159084), (216, 132570), (240, 119313), (243, 117840), (270, 106056), (324, 88380), (360, 79542), (405, 70704), (432, 66285), (486, 58920), (491, 58320), (540, 53028), (648, 44190), (720, 39771), (729, 39280), (810, 35352), (972, 29460), (982, 29160), (1080, 26514), (1215, 23568), (1296, 22095), (1458, 19640), (1473, 19440), (1620, 17676), (1944, 14730), (1964, 14580), (2160, 13257), (2430, 11784), (2455, 11664), (2916, 9820), (2946, 9720), (3240, 8838), (3645, 7856), (3888, 7365), (3928, 7290), (4419, 6480), (4860, 5892), (4910, 5832)]