81421500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 192

約数和(自身を含む): 261660672

約数和(自身を除く): 180239172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 31, 34, 50, 51, 60, 62, 68, 75, 85, 93, 100, 102, 103, 124, 125, 150, 155, 170, 186, 204, 206, 250, 255, 300, 309, 310, 340, 372, 375, 412, 425, 465, 500, 510, 515, 527, 618, 620, 750, 775, 850, 930, 1020, 1030, 1054, 1236, 1275, 1500, 1545, 1550, 1581, 1700, 1751, 1860, 2060, 2108, 2125, 2325, 2550, 2575, 2635, 3090, 3100, 3162, 3193, 3502, 3875, 4250, 4650, 5100, 5150, 5253, 5270, 6180, 6324, 6375, 6386, 7004, 7725, 7750, 7905, 8500, 8755, 9300, 9579, 10300, 10506, 10540, 11625, 12750, 12772, 12875, 13175, 15450, 15500, 15810, 15965, 17510, 19158, 21012, 23250, 25500, 25750, 26265, 26350, 30900, 31620, 31930, 35020, 38316, 38625, 39525, 43775, 46500, 47895, 51500, 52530, 52700, 54281, 63860, 65875, 77250, 79050, 79825, 87550, 95790, 105060, 108562, 131325, 131750, 154500, 158100, 159650, 162843, 175100, 191580, 197625, 217124, 218875, 239475, 262650, 263500, 271405, 319300, 325686, 395250, 399125, 437750, 478950, 525300, 542810, 651372, 656625, 790500, 798250, 814215, 875500, 957900, 1085620, 1197375, 1313250, 1357025, 1596500, 1628430, 2394750, 2626500, 2714050, 3256860, 4071075, 4789500, 5428100, 6785125, 8142150, 13570250, 16284300, 20355375, 27140500, 40710750, 81421500]

約数ペア:

[(1, 81421500), (2, 40710750), (3, 27140500), (4, 20355375), (5, 16284300), (6, 13570250), (10, 8142150), (12, 6785125), (15, 5428100), (17, 4789500), (20, 4071075), (25, 3256860), (30, 2714050), (31, 2626500), (34, 2394750), (50, 1628430), (51, 1596500), (60, 1357025), (62, 1313250), (68, 1197375), (75, 1085620), (85, 957900), (93, 875500), (100, 814215), (102, 798250), (103, 790500), (124, 656625), (125, 651372), (150, 542810), (155, 525300), (170, 478950), (186, 437750), (204, 399125), (206, 395250), (250, 325686), (255, 319300), (300, 271405), (309, 263500), (310, 262650), (340, 239475), (372, 218875), (375, 217124), (412, 197625), (425, 191580), (465, 175100), (500, 162843), (510, 159650), (515, 158100), (527, 154500), (618, 131750), (620, 131325), (750, 108562), (775, 105060), (850, 95790), (930, 87550), (1020, 79825), (1030, 79050), (1054, 77250), (1236, 65875), (1275, 63860), (1500, 54281), (1545, 52700), (1550, 52530), (1581, 51500), (1700, 47895), (1751, 46500), (1860, 43775), (2060, 39525), (2108, 38625), (2125, 38316), (2325, 35020), (2550, 31930), (2575, 31620), (2635, 30900), (3090, 26350), (3100, 26265), (3162, 25750), (3193, 25500), (3502, 23250), (3875, 21012), (4250, 19158), (4650, 17510), (5100, 15965), (5150, 15810), (5253, 15500), (5270, 15450), (6180, 13175), (6324, 12875), (6375, 12772), (6386, 12750), (7004, 11625), (7725, 10540), (7750, 10506), (7905, 10300), (8500, 9579), (8755, 9300)]