131123720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:224

約数の個数: 192

約数和(自身を含む): 388955520

約数和(自身を除く): 257831800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 163, 169, 170, 182, 221, 238, 260, 280, 326, 338, 340, 364, 442, 455, 476, 520, 595, 652, 676, 680, 728, 815, 845, 884, 910, 952, 1105, 1141, 1183, 1190, 1304, 1352, 1547, 1630, 1690, 1768, 1820, 2119, 2210, 2282, 2366, 2380, 2771, 2873, 3094, 3260, 3380, 3640, 4238, 4420, 4564, 4732, 4760, 5542, 5705, 5746, 5915, 6188, 6520, 6760, 7735, 8476, 8840, 9128, 9464, 10595, 11084, 11410, 11492, 11830, 12376, 13855, 14365, 14833, 15470, 16952, 19397, 20111, 21190, 22168, 22820, 22984, 23660, 27547, 27710, 28730, 29666, 30940, 36023, 38794, 40222, 42380, 45640, 47320, 55094, 55420, 57460, 59332, 61880, 72046, 74165, 77588, 80444, 84760, 96985, 100555, 110188, 110840, 114920, 118664, 137735, 144092, 148330, 155176, 160888, 180115, 192829, 193970, 201110, 220376, 252161, 275470, 288184, 296660, 360230, 385658, 387940, 402220, 468299, 504322, 550940, 593320, 720460, 771316, 775880, 804440, 936598, 964145, 1008644, 1101880, 1260805, 1440920, 1542632, 1873196, 1928290, 2017288, 2341495, 2521610, 3278093, 3746392, 3856580, 4682990, 5043220, 6556186, 7713160, 9365980, 10086440, 13112372, 16390465, 18731960, 26224744, 32780930, 65561860, 131123720]

約数ペア:

[(1, 131123720), (2, 65561860), (4, 32780930), (5, 26224744), (7, 18731960), (8, 16390465), (10, 13112372), (13, 10086440), (14, 9365980), (17, 7713160), (20, 6556186), (26, 5043220), (28, 4682990), (34, 3856580), (35, 3746392), (40, 3278093), (52, 2521610), (56, 2341495), (65, 2017288), (68, 1928290), (70, 1873196), (85, 1542632), (91, 1440920), (104, 1260805), (119, 1101880), (130, 1008644), (136, 964145), (140, 936598), (163, 804440), (169, 775880), (170, 771316), (182, 720460), (221, 593320), (238, 550940), (260, 504322), (280, 468299), (326, 402220), (338, 387940), (340, 385658), (364, 360230), (442, 296660), (455, 288184), (476, 275470), (520, 252161), (595, 220376), (652, 201110), (676, 193970), (680, 192829), (728, 180115), (815, 160888), (845, 155176), (884, 148330), (910, 144092), (952, 137735), (1105, 118664), (1141, 114920), (1183, 110840), (1190, 110188), (1304, 100555), (1352, 96985), (1547, 84760), (1630, 80444), (1690, 77588), (1768, 74165), (1820, 72046), (2119, 61880), (2210, 59332), (2282, 57460), (2366, 55420), (2380, 55094), (2771, 47320), (2873, 45640), (3094, 42380), (3260, 40222), (3380, 38794), (3640, 36023), (4238, 30940), (4420, 29666), (4564, 28730), (4732, 27710), (4760, 27547), (5542, 23660), (5705, 22984), (5746, 22820), (5915, 22168), (6188, 21190), (6520, 20111), (6760, 19397), (7735, 16952), (8476, 15470), (8840, 14833), (9128, 14365), (9464, 13855), (10595, 12376), (11084, 11830), (11410, 11492)]