18008640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 252

約数和(自身を含む): 68886324

約数和(自身を除く): 50877684

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 37, 39, 40, 45, 48, 52, 60, 64, 65, 72, 74, 78, 80, 90, 96, 104, 111, 117, 120, 130, 144, 148, 156, 160, 169, 180, 185, 192, 195, 208, 222, 234, 240, 260, 288, 296, 312, 320, 333, 338, 360, 370, 390, 416, 444, 468, 480, 481, 507, 520, 555, 576, 585, 592, 624, 666, 676, 720, 740, 780, 832, 845, 888, 936, 960, 962, 1014, 1040, 1110, 1170, 1184, 1248, 1332, 1352, 1440, 1443, 1480, 1521, 1560, 1665, 1690, 1776, 1872, 1924, 2028, 2080, 2220, 2340, 2368, 2405, 2496, 2535, 2664, 2704, 2880, 2886, 2960, 3042, 3120, 3330, 3380, 3552, 3744, 3848, 4056, 4160, 4329, 4440, 4680, 4810, 5070, 5328, 5408, 5772, 5920, 6084, 6240, 6253, 6660, 6760, 7104, 7215, 7488, 7605, 7696, 8112, 8658, 8880, 9360, 9620, 10140, 10656, 10816, 11544, 11840, 12168, 12480, 12506, 13320, 13520, 14430, 15210, 15392, 16224, 17316, 17760, 18720, 18759, 19240, 20280, 21312, 21645, 23088, 24336, 25012, 26640, 27040, 28860, 30420, 30784, 31265, 32448, 34632, 35520, 37440, 37518, 38480, 40560, 43290, 46176, 48672, 50024, 53280, 54080, 56277, 57720, 60840, 62530, 69264, 75036, 76960, 81120, 86580, 92352, 93795, 97344, 100048, 106560, 112554, 115440, 121680, 125060, 138528, 150072, 153920, 162240, 173160, 187590, 200096, 225108, 230880, 243360, 250120, 277056, 281385, 300144, 346320, 375180, 400192, 450216, 461760, 486720, 500240, 562770, 600288, 692640, 750360, 900432, 1000480, 1125540, 1200576, 1385280, 1500720, 1800864, 2000960, 2251080, 3001440, 3601728, 4502160, 6002880, 9004320, 18008640]

約数ペア:

[(1, 18008640), (2, 9004320), (3, 6002880), (4, 4502160), (5, 3601728), (6, 3001440), (8, 2251080), (9, 2000960), (10, 1800864), (12, 1500720), (13, 1385280), (15, 1200576), (16, 1125540), (18, 1000480), (20, 900432), (24, 750360), (26, 692640), (30, 600288), (32, 562770), (36, 500240), (37, 486720), (39, 461760), (40, 450216), (45, 400192), (48, 375180), (52, 346320), (60, 300144), (64, 281385), (65, 277056), (72, 250120), (74, 243360), (78, 230880), (80, 225108), (90, 200096), (96, 187590), (104, 173160), (111, 162240), (117, 153920), (120, 150072), (130, 138528), (144, 125060), (148, 121680), (156, 115440), (160, 112554), (169, 106560), (180, 100048), (185, 97344), (192, 93795), (195, 92352), (208, 86580), (222, 81120), (234, 76960), (240, 75036), (260, 69264), (288, 62530), (296, 60840), (312, 57720), (320, 56277), (333, 54080), (338, 53280), (360, 50024), (370, 48672), (390, 46176), (416, 43290), (444, 40560), (468, 38480), (480, 37518), (481, 37440), (507, 35520), (520, 34632), (555, 32448), (576, 31265), (585, 30784), (592, 30420), (624, 28860), (666, 27040), (676, 26640), (720, 25012), (740, 24336), (780, 23088), (832, 21645), (845, 21312), (888, 20280), (936, 19240), (960, 18759), (962, 18720), (1014, 17760), (1040, 17316), (1110, 16224), (1170, 15392), (1184, 15210), (1248, 14430), (1332, 13520), (1352, 13320), (1440, 12506), (1443, 12480), (1480, 12168), (1521, 11840), (1560, 11544), (1665, 10816), (1690, 10656), (1776, 10140), (1872, 9620), (1924, 9360), (2028, 8880), (2080, 8658), (2220, 8112), (2340, 7696), (2368, 7605), (2405, 7488), (2496, 7215), (2535, 7104), (2664, 6760), (2704, 6660), (2880, 6253), (2886, 6240), (2960, 6084), (3042, 5920), (3120, 5772), (3330, 5408), (3380, 5328), (3552, 5070), (3744, 4810), (3848, 4680), (4056, 4440), (4160, 4329)]