21328260120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{64327}}^1$

素因数の和:64654

約数の個数: 128

約数和(自身を含む): 71326886400

約数和(自身を除く): 49998626280

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, 90, 108, 120, 135, 180, 216, 270, 307, 360, 540, 614, 921, 1080, 1228, 1535, 1842, 2456, 2763, 3070, 3684, 4605, 5526, 6140, 7368, 8289, 9210, 11052, 12280, 13815, 16578, 18420, 22104, 27630, 33156, 36840, 41445, 55260, 64327, 66312, 82890, 110520, 128654, 165780, 192981, 257308, 321635, 331560, 385962, 514616, 578943, 643270, 771924, 964905, 1157886, 1286540, 1543848, 1736829, 1929810, 2315772, 2573080, 2894715, 3473658, 3859620, 4631544, 5789430, 6947316, 7719240, 8684145, 11578860, 13894632, 17368290, 19748389, 23157720, 34736580, 39496778, 59245167, 69473160, 78993556, 98741945, 118490334, 157987112, 177735501, 197483890, 236980668, 296225835, 355471002, 394967780, 473961336, 533206503, 592451670, 710942004, 789935560, 888677505, 1066413006, 1184903340, 1421884008, 1777355010, 2132826012, 2369806680, 2666032515, 3554710020, 4265652024, 5332065030, 7109420040, 10664130060, 21328260120]

約数ペア:

[(1, 21328260120), (2, 10664130060), (3, 7109420040), (4, 5332065030), (5, 4265652024), (6, 3554710020), (8, 2666032515), (9, 2369806680), (10, 2132826012), (12, 1777355010), (15, 1421884008), (18, 1184903340), (20, 1066413006), (24, 888677505), (27, 789935560), (30, 710942004), (36, 592451670), (40, 533206503), (45, 473961336), (54, 394967780), (60, 355471002), (72, 296225835), (90, 236980668), (108, 197483890), (120, 177735501), (135, 157987112), (180, 118490334), (216, 98741945), (270, 78993556), (307, 69473160), (360, 59245167), (540, 39496778), (614, 34736580), (921, 23157720), (1080, 19748389), (1228, 17368290), (1535, 13894632), (1842, 11578860), (2456, 8684145), (2763, 7719240), (3070, 6947316), (3684, 5789430), (4605, 4631544), (5526, 3859620), (6140, 3473658), (7368, 2894715), (8289, 2573080), (9210, 2315772), (11052, 1929810), (12280, 1736829), (13815, 1543848), (16578, 1286540), (18420, 1157886), (22104, 964905), (27630, 771924), (33156, 643270), (36840, 578943), (41445, 514616), (55260, 385962), (64327, 331560), (66312, 321635), (82890, 257308), (110520, 192981), (128654, 165780)]