19090080

素因数分解:

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

素因数の和:521

約数の個数: 144

約数和(自身を含む): 67695264

約数和(自身を除く): 48605184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 491, 540, 648, 720, 810, 864, 972, 982, 1080, 1215, 1296, 1440, 1473, 1620, 1944, 1964, 2160, 2430, 2455, 2592, 2946, 3240, 3888, 3928, 4320, 4419, 4860, 4910, 5892, 6480, 7365, 7776, 7856, 8838, 9720, 9820, 11784, 12960, 13257, 14730, 15712, 17676, 19440, 19640, 22095, 23568, 26514, 29460, 35352, 38880, 39280, 39771, 44190, 47136, 53028, 58920, 66285, 70704, 78560, 79542, 88380, 106056, 117840, 119313, 132570, 141408, 159084, 176760, 198855, 212112, 235680, 238626, 265140, 318168, 353520, 397710, 424224, 477252, 530280, 596565, 636336, 707040, 795420, 954504, 1060560, 1193130, 1272672, 1590840, 1909008, 2121120, 2386260, 3181680, 3818016, 4772520, 6363360, 9545040, 19090080]

約数ペア:

[(1, 19090080), (2, 9545040), (3, 6363360), (4, 4772520), (5, 3818016), (6, 3181680), (8, 2386260), (9, 2121120), (10, 1909008), (12, 1590840), (15, 1272672), (16, 1193130), (18, 1060560), (20, 954504), (24, 795420), (27, 707040), (30, 636336), (32, 596565), (36, 530280), (40, 477252), (45, 424224), (48, 397710), (54, 353520), (60, 318168), (72, 265140), (80, 238626), (81, 235680), (90, 212112), (96, 198855), (108, 176760), (120, 159084), (135, 141408), (144, 132570), (160, 119313), (162, 117840), (180, 106056), (216, 88380), (240, 79542), (243, 78560), (270, 70704), (288, 66285), (324, 58920), (360, 53028), (405, 47136), (432, 44190), (480, 39771), (486, 39280), (491, 38880), (540, 35352), (648, 29460), (720, 26514), (810, 23568), (864, 22095), (972, 19640), (982, 19440), (1080, 17676), (1215, 15712), (1296, 14730), (1440, 13257), (1473, 12960), (1620, 11784), (1944, 9820), (1964, 9720), (2160, 8838), (2430, 7856), (2455, 7776), (2592, 7365), (2946, 6480), (3240, 5892), (3888, 4910), (3928, 4860), (4320, 4419)]