15810000

素因数分解:

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

素因数の和:79

約数の個数: 200

約数和(自身を含む): 55782144

約数和(自身を除く): 39972144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 31, 34, 40, 48, 50, 51, 60, 62, 68, 75, 80, 85, 93, 100, 102, 120, 124, 125, 136, 150, 155, 170, 186, 200, 204, 240, 248, 250, 255, 272, 300, 310, 340, 372, 375, 400, 408, 425, 465, 496, 500, 510, 527, 600, 620, 625, 680, 744, 750, 775, 816, 850, 930, 1000, 1020, 1054, 1200, 1240, 1250, 1275, 1360, 1488, 1500, 1550, 1581, 1700, 1860, 1875, 2000, 2040, 2108, 2125, 2325, 2480, 2500, 2550, 2635, 3000, 3100, 3162, 3400, 3720, 3750, 3875, 4080, 4216, 4250, 4650, 5000, 5100, 5270, 6000, 6200, 6324, 6375, 6800, 7440, 7500, 7750, 7905, 8432, 8500, 9300, 10000, 10200, 10540, 10625, 11625, 12400, 12648, 12750, 13175, 15000, 15500, 15810, 17000, 18600, 19375, 20400, 21080, 21250, 23250, 25296, 25500, 26350, 30000, 31000, 31620, 31875, 34000, 37200, 38750, 39525, 42160, 42500, 46500, 51000, 52700, 58125, 62000, 63240, 63750, 65875, 77500, 79050, 85000, 93000, 102000, 105400, 116250, 126480, 127500, 131750, 155000, 158100, 170000, 186000, 197625, 210800, 232500, 255000, 263500, 310000, 316200, 329375, 395250, 465000, 510000, 527000, 632400, 658750, 790500, 930000, 988125, 1054000, 1317500, 1581000, 1976250, 2635000, 3162000, 3952500, 5270000, 7905000, 15810000]

約数ペア:

[(1, 15810000), (2, 7905000), (3, 5270000), (4, 3952500), (5, 3162000), (6, 2635000), (8, 1976250), (10, 1581000), (12, 1317500), (15, 1054000), (16, 988125), (17, 930000), (20, 790500), (24, 658750), (25, 632400), (30, 527000), (31, 510000), (34, 465000), (40, 395250), (48, 329375), (50, 316200), (51, 310000), (60, 263500), (62, 255000), (68, 232500), (75, 210800), (80, 197625), (85, 186000), (93, 170000), (100, 158100), (102, 155000), (120, 131750), (124, 127500), (125, 126480), (136, 116250), (150, 105400), (155, 102000), (170, 93000), (186, 85000), (200, 79050), (204, 77500), (240, 65875), (248, 63750), (250, 63240), (255, 62000), (272, 58125), (300, 52700), (310, 51000), (340, 46500), (372, 42500), (375, 42160), (400, 39525), (408, 38750), (425, 37200), (465, 34000), (496, 31875), (500, 31620), (510, 31000), (527, 30000), (600, 26350), (620, 25500), (625, 25296), (680, 23250), (744, 21250), (750, 21080), (775, 20400), (816, 19375), (850, 18600), (930, 17000), (1000, 15810), (1020, 15500), (1054, 15000), (1200, 13175), (1240, 12750), (1250, 12648), (1275, 12400), (1360, 11625), (1488, 10625), (1500, 10540), (1550, 10200), (1581, 10000), (1700, 9300), (1860, 8500), (1875, 8432), (2000, 7905), (2040, 7750), (2108, 7500), (2125, 7440), (2325, 6800), (2480, 6375), (2500, 6324), (2550, 6200), (2635, 6000), (3000, 5270), (3100, 5100), (3162, 5000), (3400, 4650), (3720, 4250), (3750, 4216), (3875, 4080)]