219282840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:463

約数の個数: 288

約数和(自身を含む): 857900160

約数和(自身を除く): 638617320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 49, 56, 60, 62, 63, 70, 72, 84, 90, 93, 98, 105, 120, 124, 126, 140, 147, 155, 168, 180, 186, 196, 210, 217, 245, 248, 252, 279, 280, 294, 310, 315, 360, 372, 392, 401, 420, 434, 441, 465, 490, 504, 558, 588, 620, 630, 651, 735, 744, 802, 840, 868, 882, 930, 980, 1085, 1116, 1176, 1203, 1240, 1260, 1302, 1395, 1470, 1519, 1604, 1736, 1764, 1860, 1953, 1960, 2005, 2170, 2205, 2232, 2406, 2520, 2604, 2790, 2807, 2940, 3038, 3208, 3255, 3528, 3609, 3720, 3906, 4010, 4340, 4410, 4557, 4812, 5208, 5580, 5614, 5880, 6015, 6076, 6510, 7218, 7595, 7812, 8020, 8421, 8680, 8820, 9114, 9624, 9765, 11160, 11228, 12030, 12152, 12431, 13020, 13671, 14035, 14436, 15190, 15624, 16040, 16842, 17640, 18045, 18228, 19530, 19649, 22456, 22785, 24060, 24862, 25263, 26040, 27342, 28070, 28872, 30380, 33684, 36090, 36456, 37293, 39060, 39298, 42105, 45570, 48120, 49724, 50526, 54684, 56140, 58947, 60760, 62155, 67368, 68355, 72180, 74586, 78120, 78596, 84210, 87017, 91140, 98245, 99448, 101052, 109368, 111879, 112280, 117894, 124310, 126315, 136710, 144360, 149172, 157192, 168420, 174034, 176841, 182280, 186465, 196490, 202104, 223758, 235788, 248620, 252630, 261051, 273420, 294735, 298344, 336840, 348068, 353682, 372930, 392980, 435085, 447516, 471576, 497240, 505260, 522102, 546840, 559395, 589470, 609119, 696136, 707364, 745860, 783153, 785960, 870170, 884205, 895032, 1010520, 1044204, 1118790, 1178940, 1218238, 1305255, 1414728, 1491720, 1566306, 1740340, 1768410, 1827357, 2088408, 2237580, 2357880, 2436476, 2610510, 3045595, 3132612, 3480680, 3536820, 3654714, 3915765, 4475160, 4872952, 5221020, 5482071, 6091190, 6265224, 7073640, 7309428, 7831530, 9136785, 10442040, 10964142, 12182380, 14618856, 15663060, 18273570, 21928284, 24364760, 27410355, 31326120, 36547140, 43856568, 54820710, 73094280, 109641420, 219282840]

約数ペア:

[(1, 219282840), (2, 109641420), (3, 73094280), (4, 54820710), (5, 43856568), (6, 36547140), (7, 31326120), (8, 27410355), (9, 24364760), (10, 21928284), (12, 18273570), (14, 15663060), (15, 14618856), (18, 12182380), (20, 10964142), (21, 10442040), (24, 9136785), (28, 7831530), (30, 7309428), (31, 7073640), (35, 6265224), (36, 6091190), (40, 5482071), (42, 5221020), (45, 4872952), (49, 4475160), (56, 3915765), (60, 3654714), (62, 3536820), (63, 3480680), (70, 3132612), (72, 3045595), (84, 2610510), (90, 2436476), (93, 2357880), (98, 2237580), (105, 2088408), (120, 1827357), (124, 1768410), (126, 1740340), (140, 1566306), (147, 1491720), (155, 1414728), (168, 1305255), (180, 1218238), (186, 1178940), (196, 1118790), (210, 1044204), (217, 1010520), (245, 895032), (248, 884205), (252, 870170), (279, 785960), (280, 783153), (294, 745860), (310, 707364), (315, 696136), (360, 609119), (372, 589470), (392, 559395), (401, 546840), (420, 522102), (434, 505260), (441, 497240), (465, 471576), (490, 447516), (504, 435085), (558, 392980), (588, 372930), (620, 353682), (630, 348068), (651, 336840), (735, 298344), (744, 294735), (802, 273420), (840, 261051), (868, 252630), (882, 248620), (930, 235788), (980, 223758), (1085, 202104), (1116, 196490), (1176, 186465), (1203, 182280), (1240, 176841), (1260, 174034), (1302, 168420), (1395, 157192), (1470, 149172), (1519, 144360), (1604, 136710), (1736, 126315), (1764, 124310), (1860, 117894), (1953, 112280), (1960, 111879), (2005, 109368), (2170, 101052), (2205, 99448), (2232, 98245), (2406, 91140), (2520, 87017), (2604, 84210), (2790, 78596), (2807, 78120), (2940, 74586), (3038, 72180), (3208, 68355), (3255, 67368), (3528, 62155), (3609, 60760), (3720, 58947), (3906, 56140), (4010, 54684), (4340, 50526), (4410, 49724), (4557, 48120), (4812, 45570), (5208, 42105), (5580, 39298), (5614, 39060), (5880, 37293), (6015, 36456), (6076, 36090), (6510, 33684), (7218, 30380), (7595, 28872), (7812, 28070), (8020, 27342), (8421, 26040), (8680, 25263), (8820, 24862), (9114, 24060), (9624, 22785), (9765, 22456), (11160, 19649), (11228, 19530), (12030, 18228), (12152, 18045), (12431, 17640), (13020, 16842), (13671, 16040), (14035, 15624), (14436, 15190)]