219535920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:542

約数の個数: 240

約数和(自身を含む): 799448832

約数和(自身を除く): 579912912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 108, 115, 120, 135, 138, 144, 162, 180, 184, 207, 216, 230, 240, 243, 270, 276, 324, 345, 360, 368, 405, 414, 432, 460, 486, 491, 540, 552, 621, 648, 690, 720, 810, 828, 920, 972, 982, 1035, 1080, 1104, 1215, 1242, 1296, 1380, 1473, 1620, 1656, 1840, 1863, 1944, 1964, 2070, 2160, 2430, 2455, 2484, 2760, 2946, 3105, 3240, 3312, 3726, 3888, 3928, 4140, 4419, 4860, 4910, 4968, 5520, 5589, 5892, 6210, 6480, 7365, 7452, 7856, 8280, 8838, 9315, 9720, 9820, 9936, 11178, 11293, 11784, 12420, 13257, 14730, 14904, 16560, 17676, 18630, 19440, 19640, 22095, 22356, 22586, 23568, 24840, 26514, 27945, 29460, 29808, 33879, 35352, 37260, 39280, 39771, 44190, 44712, 45172, 49680, 53028, 55890, 56465, 58920, 66285, 67758, 70704, 74520, 79542, 88380, 89424, 90344, 101637, 106056, 111780, 112930, 117840, 119313, 132570, 135516, 149040, 159084, 169395, 176760, 180688, 198855, 203274, 212112, 223560, 225860, 238626, 265140, 271032, 304911, 318168, 338790, 353520, 397710, 406548, 447120, 451720, 477252, 508185, 530280, 542064, 596565, 609822, 636336, 677580, 795420, 813096, 903440, 914733, 954504, 1016370, 1060560, 1193130, 1219644, 1355160, 1524555, 1590840, 1626192, 1829466, 1909008, 2032740, 2386260, 2439288, 2710320, 2744199, 3049110, 3181680, 3658932, 4065480, 4573665, 4772520, 4878576, 5488398, 6098220, 7317864, 8130960, 9147330, 9545040, 10976796, 12196440, 13720995, 14635728, 18294660, 21953592, 24392880, 27441990, 36589320, 43907184, 54883980, 73178640, 109767960, 219535920]

約数ペア:

[(1, 219535920), (2, 109767960), (3, 73178640), (4, 54883980), (5, 43907184), (6, 36589320), (8, 27441990), (9, 24392880), (10, 21953592), (12, 18294660), (15, 14635728), (16, 13720995), (18, 12196440), (20, 10976796), (23, 9545040), (24, 9147330), (27, 8130960), (30, 7317864), (36, 6098220), (40, 5488398), (45, 4878576), (46, 4772520), (48, 4573665), (54, 4065480), (60, 3658932), (69, 3181680), (72, 3049110), (80, 2744199), (81, 2710320), (90, 2439288), (92, 2386260), (108, 2032740), (115, 1909008), (120, 1829466), (135, 1626192), (138, 1590840), (144, 1524555), (162, 1355160), (180, 1219644), (184, 1193130), (207, 1060560), (216, 1016370), (230, 954504), (240, 914733), (243, 903440), (270, 813096), (276, 795420), (324, 677580), (345, 636336), (360, 609822), (368, 596565), (405, 542064), (414, 530280), (432, 508185), (460, 477252), (486, 451720), (491, 447120), (540, 406548), (552, 397710), (621, 353520), (648, 338790), (690, 318168), (720, 304911), (810, 271032), (828, 265140), (920, 238626), (972, 225860), (982, 223560), (1035, 212112), (1080, 203274), (1104, 198855), (1215, 180688), (1242, 176760), (1296, 169395), (1380, 159084), (1473, 149040), (1620, 135516), (1656, 132570), (1840, 119313), (1863, 117840), (1944, 112930), (1964, 111780), (2070, 106056), (2160, 101637), (2430, 90344), (2455, 89424), (2484, 88380), (2760, 79542), (2946, 74520), (3105, 70704), (3240, 67758), (3312, 66285), (3726, 58920), (3888, 56465), (3928, 55890), (4140, 53028), (4419, 49680), (4860, 45172), (4910, 44712), (4968, 44190), (5520, 39771), (5589, 39280), (5892, 37260), (6210, 35352), (6480, 33879), (7365, 29808), (7452, 29460), (7856, 27945), (8280, 26514), (8838, 24840), (9315, 23568), (9720, 22586), (9820, 22356), (9936, 22095), (11178, 19640), (11293, 19440), (11784, 18630), (12420, 17676), (13257, 16560), (14730, 14904)]