18245760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 256

約数和(自身を含む): 67858560

約数和(自身を除く): 49612800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 43, 48, 51, 52, 60, 64, 65, 68, 78, 80, 85, 86, 96, 102, 104, 120, 128, 129, 130, 136, 156, 160, 170, 172, 192, 195, 204, 208, 215, 221, 240, 255, 258, 260, 272, 312, 320, 340, 344, 384, 390, 408, 416, 430, 442, 480, 510, 516, 520, 544, 559, 624, 640, 645, 663, 680, 688, 731, 780, 816, 832, 860, 884, 960, 1020, 1032, 1040, 1088, 1105, 1118, 1248, 1290, 1326, 1360, 1376, 1462, 1560, 1632, 1664, 1677, 1720, 1768, 1920, 2040, 2064, 2080, 2176, 2193, 2210, 2236, 2496, 2580, 2652, 2720, 2752, 2795, 2924, 3120, 3264, 3315, 3354, 3440, 3536, 3655, 4080, 4128, 4160, 4386, 4420, 4472, 4992, 5160, 5304, 5440, 5504, 5590, 5848, 6240, 6528, 6630, 6708, 6880, 7072, 7310, 8160, 8256, 8320, 8385, 8772, 8840, 8944, 9503, 10320, 10608, 10880, 10965, 11180, 11696, 12480, 13260, 13416, 13760, 14144, 14620, 16320, 16512, 16770, 17544, 17680, 17888, 19006, 20640, 21216, 21930, 22360, 23392, 24960, 26520, 26832, 27520, 28288, 28509, 29240, 32640, 33540, 35088, 35360, 35776, 38012, 41280, 42432, 43860, 44720, 46784, 47515, 53040, 53664, 57018, 58480, 67080, 70176, 70720, 71552, 76024, 82560, 84864, 87720, 89440, 93568, 95030, 106080, 107328, 114036, 116960, 134160, 140352, 141440, 142545, 152048, 175440, 178880, 190060, 212160, 214656, 228072, 233920, 268320, 280704, 285090, 304096, 350880, 357760, 380120, 424320, 456144, 467840, 536640, 570180, 608192, 701760, 760240, 912288, 1073280, 1140360, 1216384, 1403520, 1520480, 1824576, 2280720, 3040960, 3649152, 4561440, 6081920, 9122880, 18245760]

約数ペア:

[(1, 18245760), (2, 9122880), (3, 6081920), (4, 4561440), (5, 3649152), (6, 3040960), (8, 2280720), (10, 1824576), (12, 1520480), (13, 1403520), (15, 1216384), (16, 1140360), (17, 1073280), (20, 912288), (24, 760240), (26, 701760), (30, 608192), (32, 570180), (34, 536640), (39, 467840), (40, 456144), (43, 424320), (48, 380120), (51, 357760), (52, 350880), (60, 304096), (64, 285090), (65, 280704), (68, 268320), (78, 233920), (80, 228072), (85, 214656), (86, 212160), (96, 190060), (102, 178880), (104, 175440), (120, 152048), (128, 142545), (129, 141440), (130, 140352), (136, 134160), (156, 116960), (160, 114036), (170, 107328), (172, 106080), (192, 95030), (195, 93568), (204, 89440), (208, 87720), (215, 84864), (221, 82560), (240, 76024), (255, 71552), (258, 70720), (260, 70176), (272, 67080), (312, 58480), (320, 57018), (340, 53664), (344, 53040), (384, 47515), (390, 46784), (408, 44720), (416, 43860), (430, 42432), (442, 41280), (480, 38012), (510, 35776), (516, 35360), (520, 35088), (544, 33540), (559, 32640), (624, 29240), (640, 28509), (645, 28288), (663, 27520), (680, 26832), (688, 26520), (731, 24960), (780, 23392), (816, 22360), (832, 21930), (860, 21216), (884, 20640), (960, 19006), (1020, 17888), (1032, 17680), (1040, 17544), (1088, 16770), (1105, 16512), (1118, 16320), (1248, 14620), (1290, 14144), (1326, 13760), (1360, 13416), (1376, 13260), (1462, 12480), (1560, 11696), (1632, 11180), (1664, 10965), (1677, 10880), (1720, 10608), (1768, 10320), (1920, 9503), (2040, 8944), (2064, 8840), (2080, 8772), (2176, 8385), (2193, 8320), (2210, 8256), (2236, 8160), (2496, 7310), (2580, 7072), (2652, 6880), (2720, 6708), (2752, 6630), (2795, 6528), (2924, 6240), (3120, 5848), (3264, 5590), (3315, 5504), (3354, 5440), (3440, 5304), (3536, 5160), (3655, 4992), (4080, 4472), (4128, 4420), (4160, 4386)]