8712000840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{81299}}^1$

素因数の和:81379

約数の個数: 128

約数和(自身を含む): 28097280000

約数和(自身を除く): 19385279160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 47, 57, 60, 76, 94, 95, 114, 120, 141, 152, 188, 190, 228, 235, 282, 285, 376, 380, 456, 470, 564, 570, 705, 760, 893, 940, 1128, 1140, 1410, 1786, 1880, 2280, 2679, 2820, 3572, 4465, 5358, 5640, 7144, 8930, 10716, 13395, 17860, 21432, 26790, 35720, 53580, 81299, 107160, 162598, 243897, 325196, 406495, 487794, 650392, 812990, 975588, 1219485, 1544681, 1625980, 1951176, 2438970, 3089362, 3251960, 3821053, 4634043, 4877940, 6178724, 7642106, 7723405, 9268086, 9755880, 11463159, 12357448, 15284212, 15446810, 18536172, 19105265, 22926318, 23170215, 30568424, 30893620, 37072344, 38210530, 45852636, 46340430, 57315795, 61787240, 72600007, 76421060, 91705272, 92680860, 114631590, 145200014, 152842120, 185361720, 217800021, 229263180, 290400028, 363000035, 435600042, 458526360, 580800056, 726000070, 871200084, 1089000105, 1452000140, 1742400168, 2178000210, 2904000280, 4356000420, 8712000840]

約数ペア:

[(1, 8712000840), (2, 4356000420), (3, 2904000280), (4, 2178000210), (5, 1742400168), (6, 1452000140), (8, 1089000105), (10, 871200084), (12, 726000070), (15, 580800056), (19, 458526360), (20, 435600042), (24, 363000035), (30, 290400028), (38, 229263180), (40, 217800021), (47, 185361720), (57, 152842120), (60, 145200014), (76, 114631590), (94, 92680860), (95, 91705272), (114, 76421060), (120, 72600007), (141, 61787240), (152, 57315795), (188, 46340430), (190, 45852636), (228, 38210530), (235, 37072344), (282, 30893620), (285, 30568424), (376, 23170215), (380, 22926318), (456, 19105265), (470, 18536172), (564, 15446810), (570, 15284212), (705, 12357448), (760, 11463159), (893, 9755880), (940, 9268086), (1128, 7723405), (1140, 7642106), (1410, 6178724), (1786, 4877940), (1880, 4634043), (2280, 3821053), (2679, 3251960), (2820, 3089362), (3572, 2438970), (4465, 1951176), (5358, 1625980), (5640, 1544681), (7144, 1219485), (8930, 975588), (10716, 812990), (13395, 650392), (17860, 487794), (21432, 406495), (26790, 325196), (35720, 243897), (53580, 162598), (81299, 107160)]