181323720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:460

約数の個数: 192

約数和(自身を含む): 626745600

約数和(自身を除く): 445421880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 61, 69, 72, 90, 92, 115, 120, 122, 138, 180, 183, 184, 207, 230, 244, 276, 305, 345, 359, 360, 366, 414, 460, 488, 549, 552, 610, 690, 718, 732, 828, 915, 920, 1035, 1077, 1098, 1220, 1380, 1403, 1436, 1464, 1656, 1795, 1830, 2070, 2154, 2196, 2440, 2745, 2760, 2806, 2872, 3231, 3590, 3660, 4140, 4209, 4308, 4392, 5385, 5490, 5612, 6462, 7015, 7180, 7320, 8257, 8280, 8418, 8616, 10770, 10980, 11224, 12627, 12924, 14030, 14360, 16155, 16514, 16836, 21045, 21540, 21899, 21960, 24771, 25254, 25848, 28060, 32310, 33028, 33672, 41285, 42090, 43080, 43798, 49542, 50508, 56120, 63135, 64620, 65697, 66056, 74313, 82570, 84180, 87596, 99084, 101016, 109495, 123855, 126270, 129240, 131394, 148626, 165140, 168360, 175192, 197091, 198168, 218990, 247710, 252540, 262788, 297252, 328485, 330280, 371565, 394182, 437980, 495420, 503677, 505080, 525576, 594504, 656970, 743130, 788364, 875960, 985455, 990840, 1007354, 1313940, 1486260, 1511031, 1576728, 1970910, 2014708, 2518385, 2627880, 2972520, 3022062, 3941820, 4029416, 4533093, 5036770, 6044124, 7555155, 7883640, 9066186, 10073540, 12088248, 15110310, 18132372, 20147080, 22665465, 30220620, 36264744, 45330930, 60441240, 90661860, 181323720]

約数ペア:

[(1, 181323720), (2, 90661860), (3, 60441240), (4, 45330930), (5, 36264744), (6, 30220620), (8, 22665465), (9, 20147080), (10, 18132372), (12, 15110310), (15, 12088248), (18, 10073540), (20, 9066186), (23, 7883640), (24, 7555155), (30, 6044124), (36, 5036770), (40, 4533093), (45, 4029416), (46, 3941820), (60, 3022062), (61, 2972520), (69, 2627880), (72, 2518385), (90, 2014708), (92, 1970910), (115, 1576728), (120, 1511031), (122, 1486260), (138, 1313940), (180, 1007354), (183, 990840), (184, 985455), (207, 875960), (230, 788364), (244, 743130), (276, 656970), (305, 594504), (345, 525576), (359, 505080), (360, 503677), (366, 495420), (414, 437980), (460, 394182), (488, 371565), (549, 330280), (552, 328485), (610, 297252), (690, 262788), (718, 252540), (732, 247710), (828, 218990), (915, 198168), (920, 197091), (1035, 175192), (1077, 168360), (1098, 165140), (1220, 148626), (1380, 131394), (1403, 129240), (1436, 126270), (1464, 123855), (1656, 109495), (1795, 101016), (1830, 99084), (2070, 87596), (2154, 84180), (2196, 82570), (2440, 74313), (2745, 66056), (2760, 65697), (2806, 64620), (2872, 63135), (3231, 56120), (3590, 50508), (3660, 49542), (4140, 43798), (4209, 43080), (4308, 42090), (4392, 41285), (5385, 33672), (5490, 33028), (5612, 32310), (6462, 28060), (7015, 25848), (7180, 25254), (7320, 24771), (8257, 21960), (8280, 21899), (8418, 21540), (8616, 21045), (10770, 16836), (10980, 16514), (11224, 16155), (12627, 14360), (12924, 14030)]