18972000

素因数分解:

$2^5\times 3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 288

約数和(自身を含む): 73592064

約数和(自身を除く): 54620064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 31, 32, 34, 36, 40, 45, 48, 50, 51, 60, 62, 68, 72, 75, 80, 85, 90, 93, 96, 100, 102, 120, 124, 125, 136, 144, 150, 153, 155, 160, 170, 180, 186, 200, 204, 225, 240, 248, 250, 255, 272, 279, 288, 300, 306, 310, 340, 360, 372, 375, 400, 408, 425, 450, 465, 480, 496, 500, 510, 527, 544, 558, 600, 612, 620, 680, 720, 744, 750, 765, 775, 800, 816, 850, 900, 930, 992, 1000, 1020, 1054, 1116, 1125, 1200, 1224, 1240, 1275, 1360, 1395, 1440, 1488, 1500, 1530, 1550, 1581, 1632, 1700, 1800, 1860, 2000, 2040, 2108, 2125, 2232, 2250, 2325, 2400, 2448, 2480, 2550, 2635, 2720, 2790, 2976, 3000, 3060, 3100, 3162, 3400, 3600, 3720, 3825, 3875, 4000, 4080, 4216, 4250, 4464, 4500, 4650, 4743, 4896, 4960, 5100, 5270, 5580, 6000, 6120, 6200, 6324, 6375, 6800, 6975, 7200, 7440, 7650, 7750, 7905, 8160, 8432, 8500, 8928, 9000, 9300, 9486, 10200, 10540, 11160, 11625, 12000, 12240, 12400, 12648, 12750, 13175, 13600, 13950, 14880, 15300, 15500, 15810, 16864, 17000, 18000, 18600, 18972, 19125, 20400, 21080, 22320, 23250, 23715, 24480, 24800, 25296, 25500, 26350, 27900, 30600, 31000, 31620, 34000, 34875, 36000, 37200, 37944, 38250, 39525, 40800, 42160, 44640, 46500, 47430, 50592, 51000, 52700, 55800, 61200, 62000, 63240, 65875, 68000, 69750, 74400, 75888, 76500, 79050, 84320, 93000, 94860, 102000, 105400, 111600, 118575, 122400, 124000, 126480, 131750, 139500, 151776, 153000, 158100, 186000, 189720, 197625, 204000, 210800, 223200, 237150, 252960, 263500, 279000, 306000, 316200, 372000, 379440, 395250, 421600, 474300, 527000, 558000, 592875, 612000, 632400, 758880, 790500, 948600, 1054000, 1116000, 1185750, 1264800, 1581000, 1897200, 2108000, 2371500, 3162000, 3794400, 4743000, 6324000, 9486000, 18972000]

約数ペア:

[(1, 18972000), (2, 9486000), (3, 6324000), (4, 4743000), (5, 3794400), (6, 3162000), (8, 2371500), (9, 2108000), (10, 1897200), (12, 1581000), (15, 1264800), (16, 1185750), (17, 1116000), (18, 1054000), (20, 948600), (24, 790500), (25, 758880), (30, 632400), (31, 612000), (32, 592875), (34, 558000), (36, 527000), (40, 474300), (45, 421600), (48, 395250), (50, 379440), (51, 372000), (60, 316200), (62, 306000), (68, 279000), (72, 263500), (75, 252960), (80, 237150), (85, 223200), (90, 210800), (93, 204000), (96, 197625), (100, 189720), (102, 186000), (120, 158100), (124, 153000), (125, 151776), (136, 139500), (144, 131750), (150, 126480), (153, 124000), (155, 122400), (160, 118575), (170, 111600), (180, 105400), (186, 102000), (200, 94860), (204, 93000), (225, 84320), (240, 79050), (248, 76500), (250, 75888), (255, 74400), (272, 69750), (279, 68000), (288, 65875), (300, 63240), (306, 62000), (310, 61200), (340, 55800), (360, 52700), (372, 51000), (375, 50592), (400, 47430), (408, 46500), (425, 44640), (450, 42160), (465, 40800), (480, 39525), (496, 38250), (500, 37944), (510, 37200), (527, 36000), (544, 34875), (558, 34000), (600, 31620), (612, 31000), (620, 30600), (680, 27900), (720, 26350), (744, 25500), (750, 25296), (765, 24800), (775, 24480), (800, 23715), (816, 23250), (850, 22320), (900, 21080), (930, 20400), (992, 19125), (1000, 18972), (1020, 18600), (1054, 18000), (1116, 17000), (1125, 16864), (1200, 15810), (1224, 15500), (1240, 15300), (1275, 14880), (1360, 13950), (1395, 13600), (1440, 13175), (1488, 12750), (1500, 12648), (1530, 12400), (1550, 12240), (1581, 12000), (1632, 11625), (1700, 11160), (1800, 10540), (1860, 10200), (2000, 9486), (2040, 9300), (2108, 9000), (2125, 8928), (2232, 8500), (2250, 8432), (2325, 8160), (2400, 7905), (2448, 7750), (2480, 7650), (2550, 7440), (2635, 7200), (2720, 6975), (2790, 6800), (2976, 6375), (3000, 6324), (3060, 6200), (3100, 6120), (3162, 6000), (3400, 5580), (3600, 5270), (3720, 5100), (3825, 4960), (3875, 4896), (4000, 4743), (4080, 4650), (4216, 4500), (4250, 4464)]