31047120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:170

約数の個数: 240

約数和(自身を含む): 116992512

約数和(自身を除く): 85945392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 104, 107, 117, 120, 124, 130, 144, 155, 156, 180, 186, 195, 208, 214, 234, 240, 248, 260, 279, 310, 312, 321, 360, 372, 390, 403, 428, 465, 468, 496, 520, 535, 558, 585, 620, 624, 642, 720, 744, 780, 806, 856, 930, 936, 963, 1040, 1070, 1116, 1170, 1209, 1240, 1284, 1391, 1395, 1488, 1560, 1605, 1612, 1712, 1860, 1872, 1926, 2015, 2140, 2232, 2340, 2418, 2480, 2568, 2782, 2790, 3120, 3210, 3224, 3317, 3627, 3720, 3852, 4030, 4173, 4280, 4464, 4680, 4815, 4836, 5136, 5564, 5580, 6045, 6420, 6448, 6634, 6955, 7254, 7440, 7704, 8060, 8346, 8560, 9360, 9630, 9672, 9951, 11128, 11160, 12090, 12519, 12840, 13268, 13910, 14508, 15408, 16120, 16585, 16692, 18135, 19260, 19344, 19902, 20865, 22256, 22320, 24180, 25038, 25680, 26536, 27820, 29016, 29853, 32240, 33170, 33384, 36270, 38520, 39804, 41730, 43121, 48360, 49755, 50076, 53072, 55640, 58032, 59706, 62595, 66340, 66768, 72540, 77040, 79608, 83460, 86242, 96720, 99510, 100152, 111280, 119412, 125190, 129363, 132680, 145080, 149265, 159216, 166920, 172484, 199020, 200304, 215605, 238824, 250380, 258726, 265360, 290160, 298530, 333840, 344968, 388089, 398040, 431210, 477648, 500760, 517452, 597060, 646815, 689936, 776178, 796080, 862420, 1001520, 1034904, 1194120, 1293630, 1552356, 1724840, 1940445, 2069808, 2388240, 2587260, 3104712, 3449680, 3880890, 5174520, 6209424, 7761780, 10349040, 15523560, 31047120]

約数ペア:

[(1, 31047120), (2, 15523560), (3, 10349040), (4, 7761780), (5, 6209424), (6, 5174520), (8, 3880890), (9, 3449680), (10, 3104712), (12, 2587260), (13, 2388240), (15, 2069808), (16, 1940445), (18, 1724840), (20, 1552356), (24, 1293630), (26, 1194120), (30, 1034904), (31, 1001520), (36, 862420), (39, 796080), (40, 776178), (45, 689936), (48, 646815), (52, 597060), (60, 517452), (62, 500760), (65, 477648), (72, 431210), (78, 398040), (80, 388089), (90, 344968), (93, 333840), (104, 298530), (107, 290160), (117, 265360), (120, 258726), (124, 250380), (130, 238824), (144, 215605), (155, 200304), (156, 199020), (180, 172484), (186, 166920), (195, 159216), (208, 149265), (214, 145080), (234, 132680), (240, 129363), (248, 125190), (260, 119412), (279, 111280), (310, 100152), (312, 99510), (321, 96720), (360, 86242), (372, 83460), (390, 79608), (403, 77040), (428, 72540), (465, 66768), (468, 66340), (496, 62595), (520, 59706), (535, 58032), (558, 55640), (585, 53072), (620, 50076), (624, 49755), (642, 48360), (720, 43121), (744, 41730), (780, 39804), (806, 38520), (856, 36270), (930, 33384), (936, 33170), (963, 32240), (1040, 29853), (1070, 29016), (1116, 27820), (1170, 26536), (1209, 25680), (1240, 25038), (1284, 24180), (1391, 22320), (1395, 22256), (1488, 20865), (1560, 19902), (1605, 19344), (1612, 19260), (1712, 18135), (1860, 16692), (1872, 16585), (1926, 16120), (2015, 15408), (2140, 14508), (2232, 13910), (2340, 13268), (2418, 12840), (2480, 12519), (2568, 12090), (2782, 11160), (2790, 11128), (3120, 9951), (3210, 9672), (3224, 9630), (3317, 9360), (3627, 8560), (3720, 8346), (3852, 8060), (4030, 7704), (4173, 7440), (4280, 7254), (4464, 6955), (4680, 6634), (4815, 6448), (4836, 6420), (5136, 6045), (5564, 5580)]