28458000

素因数分解:

$2^4\times 3^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 320

約数和(自身を含む): 111421440

約数和(自身を除く): 82963440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 27, 30, 31, 34, 36, 40, 45, 48, 50, 51, 54, 60, 62, 68, 72, 75, 80, 85, 90, 93, 100, 102, 108, 120, 124, 125, 135, 136, 144, 150, 153, 155, 170, 180, 186, 200, 204, 216, 225, 240, 248, 250, 255, 270, 272, 279, 300, 306, 310, 340, 360, 372, 375, 400, 408, 425, 432, 450, 459, 465, 496, 500, 510, 527, 540, 558, 600, 612, 620, 675, 680, 720, 744, 750, 765, 775, 816, 837, 850, 900, 918, 930, 1000, 1020, 1054, 1080, 1116, 1125, 1200, 1224, 1240, 1275, 1350, 1360, 1395, 1488, 1500, 1530, 1550, 1581, 1674, 1700, 1800, 1836, 1860, 2000, 2040, 2108, 2125, 2160, 2232, 2250, 2295, 2325, 2448, 2480, 2550, 2635, 2700, 2790, 3000, 3060, 3100, 3162, 3348, 3375, 3400, 3600, 3672, 3720, 3825, 3875, 4080, 4185, 4216, 4250, 4464, 4500, 4590, 4650, 4743, 5100, 5270, 5400, 5580, 6000, 6120, 6200, 6324, 6375, 6696, 6750, 6800, 6975, 7344, 7440, 7650, 7750, 7905, 8370, 8432, 8500, 9000, 9180, 9300, 9486, 10200, 10540, 10800, 11160, 11475, 11625, 12240, 12400, 12648, 12750, 13175, 13392, 13500, 13950, 14229, 15300, 15500, 15810, 16740, 17000, 18000, 18360, 18600, 18972, 19125, 20400, 20925, 21080, 22320, 22950, 23250, 23715, 25296, 25500, 26350, 27000, 27900, 28458, 30600, 31000, 31620, 33480, 34000, 34875, 36720, 37200, 37944, 38250, 39525, 41850, 42160, 45900, 46500, 47430, 51000, 52700, 54000, 55800, 56916, 57375, 61200, 62000, 63240, 65875, 66960, 69750, 71145, 75888, 76500, 79050, 83700, 91800, 93000, 94860, 102000, 104625, 105400, 111600, 113832, 114750, 118575, 126480, 131750, 139500, 142290, 153000, 158100, 167400, 183600, 186000, 189720, 197625, 209250, 210800, 227664, 229500, 237150, 263500, 279000, 284580, 306000, 316200, 334800, 355725, 379440, 395250, 418500, 459000, 474300, 527000, 558000, 569160, 592875, 632400, 711450, 790500, 837000, 918000, 948600, 1054000, 1138320, 1185750, 1422900, 1581000, 1674000, 1778625, 1897200, 2371500, 2845800, 3162000, 3557250, 4743000, 5691600, 7114500, 9486000, 14229000, 28458000]

約数ペア:

[(1, 28458000), (2, 14229000), (3, 9486000), (4, 7114500), (5, 5691600), (6, 4743000), (8, 3557250), (9, 3162000), (10, 2845800), (12, 2371500), (15, 1897200), (16, 1778625), (17, 1674000), (18, 1581000), (20, 1422900), (24, 1185750), (25, 1138320), (27, 1054000), (30, 948600), (31, 918000), (34, 837000), (36, 790500), (40, 711450), (45, 632400), (48, 592875), (50, 569160), (51, 558000), (54, 527000), (60, 474300), (62, 459000), (68, 418500), (72, 395250), (75, 379440), (80, 355725), (85, 334800), (90, 316200), (93, 306000), (100, 284580), (102, 279000), (108, 263500), (120, 237150), (124, 229500), (125, 227664), (135, 210800), (136, 209250), (144, 197625), (150, 189720), (153, 186000), (155, 183600), (170, 167400), (180, 158100), (186, 153000), (200, 142290), (204, 139500), (216, 131750), (225, 126480), (240, 118575), (248, 114750), (250, 113832), (255, 111600), (270, 105400), (272, 104625), (279, 102000), (300, 94860), (306, 93000), (310, 91800), (340, 83700), (360, 79050), (372, 76500), (375, 75888), (400, 71145), (408, 69750), (425, 66960), (432, 65875), (450, 63240), (459, 62000), (465, 61200), (496, 57375), (500, 56916), (510, 55800), (527, 54000), (540, 52700), (558, 51000), (600, 47430), (612, 46500), (620, 45900), (675, 42160), (680, 41850), (720, 39525), (744, 38250), (750, 37944), (765, 37200), (775, 36720), (816, 34875), (837, 34000), (850, 33480), (900, 31620), (918, 31000), (930, 30600), (1000, 28458), (1020, 27900), (1054, 27000), (1080, 26350), (1116, 25500), (1125, 25296), (1200, 23715), (1224, 23250), (1240, 22950), (1275, 22320), (1350, 21080), (1360, 20925), (1395, 20400), (1488, 19125), (1500, 18972), (1530, 18600), (1550, 18360), (1581, 18000), (1674, 17000), (1700, 16740), (1800, 15810), (1836, 15500), (1860, 15300), (2000, 14229), (2040, 13950), (2108, 13500), (2125, 13392), (2160, 13175), (2232, 12750), (2250, 12648), (2295, 12400), (2325, 12240), (2448, 11625), (2480, 11475), (2550, 11160), (2635, 10800), (2700, 10540), (2790, 10200), (3000, 9486), (3060, 9300), (3100, 9180), (3162, 9000), (3348, 8500), (3375, 8432), (3400, 8370), (3600, 7905), (3672, 7750), (3720, 7650), (3825, 7440), (3875, 7344), (4080, 6975), (4185, 6800), (4216, 6750), (4250, 6696), (4464, 6375), (4500, 6324), (4590, 6200), (4650, 6120), (4743, 6000), (5100, 5580), (5270, 5400)]