291781260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 917725536

約数和(自身を除く): 625944276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 193, 222, 227, 333, 370, 386, 444, 454, 555, 579, 666, 681, 740, 772, 908, 965, 1110, 1135, 1158, 1332, 1362, 1665, 1737, 1930, 2043, 2220, 2270, 2316, 2724, 2895, 3330, 3405, 3474, 3860, 4086, 4540, 5790, 6660, 6810, 6948, 7141, 8172, 8399, 8685, 10215, 11580, 13620, 14282, 16798, 17370, 20430, 21423, 25197, 28564, 33596, 34740, 35705, 40860, 41995, 42846, 43811, 50394, 64269, 71410, 75591, 83990, 85692, 87622, 100788, 107115, 125985, 128538, 131433, 142820, 151182, 167980, 175244, 214230, 219055, 251970, 257076, 262866, 302364, 321345, 377955, 394299, 428460, 438110, 503940, 525732, 642690, 657165, 755910, 788598, 876220, 1285380, 1314330, 1511820, 1577196, 1621007, 1971495, 2628660, 3242014, 3942990, 4863021, 6484028, 7885980, 8105035, 9726042, 14589063, 16210070, 19452084, 24315105, 29178126, 32420140, 48630210, 58356252, 72945315, 97260420, 145890630, 291781260]

約数ペア:

[(1, 291781260), (2, 145890630), (3, 97260420), (4, 72945315), (5, 58356252), (6, 48630210), (9, 32420140), (10, 29178126), (12, 24315105), (15, 19452084), (18, 16210070), (20, 14589063), (30, 9726042), (36, 8105035), (37, 7885980), (45, 6484028), (60, 4863021), (74, 3942990), (90, 3242014), (111, 2628660), (148, 1971495), (180, 1621007), (185, 1577196), (193, 1511820), (222, 1314330), (227, 1285380), (333, 876220), (370, 788598), (386, 755910), (444, 657165), (454, 642690), (555, 525732), (579, 503940), (666, 438110), (681, 428460), (740, 394299), (772, 377955), (908, 321345), (965, 302364), (1110, 262866), (1135, 257076), (1158, 251970), (1332, 219055), (1362, 214230), (1665, 175244), (1737, 167980), (1930, 151182), (2043, 142820), (2220, 131433), (2270, 128538), (2316, 125985), (2724, 107115), (2895, 100788), (3330, 87622), (3405, 85692), (3474, 83990), (3860, 75591), (4086, 71410), (4540, 64269), (5790, 50394), (6660, 43811), (6810, 42846), (6948, 41995), (7141, 40860), (8172, 35705), (8399, 34740), (8685, 33596), (10215, 28564), (11580, 25197), (13620, 21423), (14282, 20430), (16798, 17370)]