640980600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2221}}^1$

素因数の和:2290

約数の個数: 192

約数和(自身を含む): 2198713440

約数和(自身を除く): 1557732840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 37, 39, 40, 50, 52, 60, 65, 74, 75, 78, 100, 104, 111, 120, 130, 148, 150, 156, 185, 195, 200, 222, 260, 296, 300, 312, 325, 370, 390, 444, 481, 520, 555, 600, 650, 740, 780, 888, 925, 962, 975, 1110, 1300, 1443, 1480, 1560, 1850, 1924, 1950, 2220, 2221, 2405, 2600, 2775, 2886, 3700, 3848, 3900, 4440, 4442, 4810, 5550, 5772, 6663, 7215, 7400, 7800, 8884, 9620, 11100, 11105, 11544, 12025, 13326, 14430, 17768, 19240, 22200, 22210, 24050, 26652, 28860, 28873, 33315, 36075, 44420, 48100, 53304, 55525, 57720, 57746, 66630, 72150, 82177, 86619, 88840, 96200, 111050, 115492, 133260, 144300, 144365, 164354, 166575, 173238, 222100, 230984, 246531, 266520, 288600, 288730, 328708, 333150, 346476, 410885, 433095, 444200, 493062, 577460, 657416, 666300, 692952, 721825, 821770, 866190, 986124, 1068301, 1154920, 1232655, 1332600, 1443650, 1643540, 1732380, 1972248, 2054425, 2136602, 2165475, 2465310, 2887300, 3204903, 3287080, 3464760, 4108850, 4273204, 4330950, 4930620, 5341505, 5774600, 6163275, 6409806, 8217700, 8546408, 8661900, 9861240, 10683010, 12326550, 12819612, 16024515, 16435400, 17323800, 21366020, 24653100, 25639224, 26707525, 32049030, 42732040, 49306200, 53415050, 64098060, 80122575, 106830100, 128196120, 160245150, 213660200, 320490300, 640980600]

約数ペア:

[(1, 640980600), (2, 320490300), (3, 213660200), (4, 160245150), (5, 128196120), (6, 106830100), (8, 80122575), (10, 64098060), (12, 53415050), (13, 49306200), (15, 42732040), (20, 32049030), (24, 26707525), (25, 25639224), (26, 24653100), (30, 21366020), (37, 17323800), (39, 16435400), (40, 16024515), (50, 12819612), (52, 12326550), (60, 10683010), (65, 9861240), (74, 8661900), (75, 8546408), (78, 8217700), (100, 6409806), (104, 6163275), (111, 5774600), (120, 5341505), (130, 4930620), (148, 4330950), (150, 4273204), (156, 4108850), (185, 3464760), (195, 3287080), (200, 3204903), (222, 2887300), (260, 2465310), (296, 2165475), (300, 2136602), (312, 2054425), (325, 1972248), (370, 1732380), (390, 1643540), (444, 1443650), (481, 1332600), (520, 1232655), (555, 1154920), (600, 1068301), (650, 986124), (740, 866190), (780, 821770), (888, 721825), (925, 692952), (962, 666300), (975, 657416), (1110, 577460), (1300, 493062), (1443, 444200), (1480, 433095), (1560, 410885), (1850, 346476), (1924, 333150), (1950, 328708), (2220, 288730), (2221, 288600), (2405, 266520), (2600, 246531), (2775, 230984), (2886, 222100), (3700, 173238), (3848, 166575), (3900, 164354), (4440, 144365), (4442, 144300), (4810, 133260), (5550, 115492), (5772, 111050), (6663, 96200), (7215, 88840), (7400, 86619), (7800, 82177), (8884, 72150), (9620, 66630), (11100, 57746), (11105, 57720), (11544, 55525), (12025, 53304), (13326, 48100), (14430, 44420), (17768, 36075), (19240, 33315), (22200, 28873), (22210, 28860), (24050, 26652)]