18220122720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{47389}}^1$

素因数の和:47502

約数の個数: 192

約数和(自身を含む): 64488312000

約数和(自身を除く): 46268189280

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, 89, 90, 96, 108, 120, 135, 144, 160, 178, 180, 216, 240, 267, 270, 288, 356, 360, 432, 445, 480, 534, 540, 712, 720, 801, 864, 890, 1068, 1080, 1335, 1424, 1440, 1602, 1780, 2136, 2160, 2403, 2670, 2848, 3204, 3560, 4005, 4272, 4320, 4806, 5340, 6408, 7120, 8010, 8544, 9612, 10680, 12015, 12816, 14240, 16020, 19224, 21360, 24030, 25632, 32040, 38448, 42720, 47389, 48060, 64080, 76896, 94778, 96120, 128160, 142167, 189556, 192240, 236945, 284334, 379112, 384480, 426501, 473890, 568668, 710835, 758224, 853002, 947780, 1137336, 1279503, 1421670, 1516448, 1706004, 1895560, 2132505, 2274672, 2559006, 2843340, 3412008, 3791120, 4217621, 4265010, 4549344, 5118012, 5686680, 6397515, 6824016, 7582240, 8435242, 8530020, 10236024, 11373360, 12652863, 12795030, 13648032, 16870484, 17060040, 20472048, 21088105, 22746720, 25305726, 25590060, 33740968, 34120080, 37958589, 40944096, 42176210, 50611452, 51180120, 63264315, 67481936, 68240160, 75917178, 84352420, 101222904, 102360240, 113875767, 126528630, 134963872, 151834356, 168704840, 189792945, 202445808, 204720480, 227751534, 253057260, 303668712, 337409680, 379585890, 404891616, 455503068, 506114520, 569378835, 607337424, 674819360, 759171780, 911006136, 1012229040, 1138757670, 1214674848, 1518343560, 1822012272, 2024458080, 2277515340, 3036687120, 3644024544, 4555030680, 6073374240, 9110061360, 18220122720]

約数ペア:

[(1, 18220122720), (2, 9110061360), (3, 6073374240), (4, 4555030680), (5, 3644024544), (6, 3036687120), (8, 2277515340), (9, 2024458080), (10, 1822012272), (12, 1518343560), (15, 1214674848), (16, 1138757670), (18, 1012229040), (20, 911006136), (24, 759171780), (27, 674819360), (30, 607337424), (32, 569378835), (36, 506114520), (40, 455503068), (45, 404891616), (48, 379585890), (54, 337409680), (60, 303668712), (72, 253057260), (80, 227751534), (89, 204720480), (90, 202445808), (96, 189792945), (108, 168704840), (120, 151834356), (135, 134963872), (144, 126528630), (160, 113875767), (178, 102360240), (180, 101222904), (216, 84352420), (240, 75917178), (267, 68240160), (270, 67481936), (288, 63264315), (356, 51180120), (360, 50611452), (432, 42176210), (445, 40944096), (480, 37958589), (534, 34120080), (540, 33740968), (712, 25590060), (720, 25305726), (801, 22746720), (864, 21088105), (890, 20472048), (1068, 17060040), (1080, 16870484), (1335, 13648032), (1424, 12795030), (1440, 12652863), (1602, 11373360), (1780, 10236024), (2136, 8530020), (2160, 8435242), (2403, 7582240), (2670, 6824016), (2848, 6397515), (3204, 5686680), (3560, 5118012), (4005, 4549344), (4272, 4265010), (4320, 4217621), (4806, 3791120), (5340, 3412008), (6408, 2843340), (7120, 2559006), (8010, 2274672), (8544, 2132505), (9612, 1895560), (10680, 1706004), (12015, 1516448), (12816, 1421670), (14240, 1279503), (16020, 1137336), (19224, 947780), (21360, 853002), (24030, 758224), (25632, 710835), (32040, 568668), (38448, 473890), (42720, 426501), (47389, 384480), (48060, 379112), (64080, 284334), (76896, 236945), (94778, 192240), (96120, 189556), (128160, 142167)]