201021840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 240

約数和(自身を含む): 719596800

約数和(自身を除く): 518574960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 61, 69, 72, 80, 90, 92, 115, 120, 122, 138, 144, 180, 183, 184, 199, 207, 230, 240, 244, 276, 305, 345, 360, 366, 368, 398, 414, 460, 488, 549, 552, 597, 610, 690, 720, 732, 796, 828, 915, 920, 976, 995, 1035, 1098, 1104, 1194, 1220, 1380, 1403, 1464, 1592, 1656, 1791, 1830, 1840, 1990, 2070, 2196, 2388, 2440, 2745, 2760, 2806, 2928, 2985, 3184, 3312, 3582, 3660, 3980, 4140, 4209, 4392, 4577, 4776, 4880, 5490, 5520, 5612, 5970, 7015, 7164, 7320, 7960, 8280, 8418, 8784, 8955, 9154, 9552, 10980, 11224, 11940, 12139, 12627, 13731, 14030, 14328, 14640, 15920, 16560, 16836, 17910, 18308, 21045, 21960, 22448, 22885, 23880, 24278, 25254, 27462, 28060, 28656, 33672, 35820, 36417, 36616, 41193, 42090, 43920, 45770, 47760, 48556, 50508, 54924, 56120, 60695, 63135, 67344, 68655, 71640, 72834, 73232, 82386, 84180, 91540, 97112, 101016, 109251, 109848, 112240, 121390, 126270, 137310, 143280, 145668, 164772, 168360, 182085, 183080, 194224, 202032, 205965, 218502, 219696, 242780, 252540, 274620, 279197, 291336, 329544, 336720, 364170, 366160, 411930, 437004, 485560, 505080, 546255, 549240, 558394, 582672, 659088, 728340, 823860, 837591, 874008, 971120, 1010160, 1092510, 1098480, 1116788, 1395985, 1456680, 1647720, 1675182, 1748016, 2185020, 2233576, 2512773, 2791970, 2913360, 3295440, 3350364, 4187955, 4370040, 4467152, 5025546, 5583940, 6700728, 8375910, 8740080, 10051092, 11167880, 12563865, 13401456, 16751820, 20102184, 22335760, 25127730, 33503640, 40204368, 50255460, 67007280, 100510920, 201021840]

約数ペア:

[(1, 201021840), (2, 100510920), (3, 67007280), (4, 50255460), (5, 40204368), (6, 33503640), (8, 25127730), (9, 22335760), (10, 20102184), (12, 16751820), (15, 13401456), (16, 12563865), (18, 11167880), (20, 10051092), (23, 8740080), (24, 8375910), (30, 6700728), (36, 5583940), (40, 5025546), (45, 4467152), (46, 4370040), (48, 4187955), (60, 3350364), (61, 3295440), (69, 2913360), (72, 2791970), (80, 2512773), (90, 2233576), (92, 2185020), (115, 1748016), (120, 1675182), (122, 1647720), (138, 1456680), (144, 1395985), (180, 1116788), (183, 1098480), (184, 1092510), (199, 1010160), (207, 971120), (230, 874008), (240, 837591), (244, 823860), (276, 728340), (305, 659088), (345, 582672), (360, 558394), (366, 549240), (368, 546255), (398, 505080), (414, 485560), (460, 437004), (488, 411930), (549, 366160), (552, 364170), (597, 336720), (610, 329544), (690, 291336), (720, 279197), (732, 274620), (796, 252540), (828, 242780), (915, 219696), (920, 218502), (976, 205965), (995, 202032), (1035, 194224), (1098, 183080), (1104, 182085), (1194, 168360), (1220, 164772), (1380, 145668), (1403, 143280), (1464, 137310), (1592, 126270), (1656, 121390), (1791, 112240), (1830, 109848), (1840, 109251), (1990, 101016), (2070, 97112), (2196, 91540), (2388, 84180), (2440, 82386), (2745, 73232), (2760, 72834), (2806, 71640), (2928, 68655), (2985, 67344), (3184, 63135), (3312, 60695), (3582, 56120), (3660, 54924), (3980, 50508), (4140, 48556), (4209, 47760), (4392, 45770), (4577, 43920), (4776, 42090), (4880, 41193), (5490, 36616), (5520, 36417), (5612, 35820), (5970, 33672), (7015, 28656), (7164, 28060), (7320, 27462), (7960, 25254), (8280, 24278), (8418, 23880), (8784, 22885), (8955, 22448), (9154, 21960), (9552, 21045), (10980, 18308), (11224, 17910), (11940, 16836), (12139, 16560), (12627, 15920), (13731, 14640), (14030, 14328)]