2171818680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{6781}}^1$

素因数の和:6969

約数の個数: 128

約数和(自身を含む): 6943682880

約数和(自身を除く): 4771864200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 157, 170, 204, 255, 314, 340, 408, 471, 510, 628, 680, 785, 942, 1020, 1256, 1570, 1884, 2040, 2355, 2669, 3140, 3768, 4710, 5338, 6280, 6781, 8007, 9420, 10676, 13345, 13562, 16014, 18840, 20343, 21352, 26690, 27124, 32028, 33905, 40035, 40686, 53380, 54248, 64056, 67810, 80070, 81372, 101715, 106760, 115277, 135620, 160140, 162744, 203430, 230554, 271240, 320280, 345831, 406860, 461108, 576385, 691662, 813720, 922216, 1064617, 1152770, 1383324, 1729155, 2129234, 2305540, 2766648, 3193851, 3458310, 4258468, 4611080, 5323085, 6387702, 6916620, 8516936, 10646170, 12775404, 13833240, 15969255, 18098489, 21292340, 25550808, 31938510, 36196978, 42584680, 54295467, 63877020, 72393956, 90492445, 108590934, 127754040, 144787912, 180984890, 217181868, 271477335, 361969780, 434363736, 542954670, 723939560, 1085909340, 2171818680]

約数ペア:

[(1, 2171818680), (2, 1085909340), (3, 723939560), (4, 542954670), (5, 434363736), (6, 361969780), (8, 271477335), (10, 217181868), (12, 180984890), (15, 144787912), (17, 127754040), (20, 108590934), (24, 90492445), (30, 72393956), (34, 63877020), (40, 54295467), (51, 42584680), (60, 36196978), (68, 31938510), (85, 25550808), (102, 21292340), (120, 18098489), (136, 15969255), (157, 13833240), (170, 12775404), (204, 10646170), (255, 8516936), (314, 6916620), (340, 6387702), (408, 5323085), (471, 4611080), (510, 4258468), (628, 3458310), (680, 3193851), (785, 2766648), (942, 2305540), (1020, 2129234), (1256, 1729155), (1570, 1383324), (1884, 1152770), (2040, 1064617), (2355, 922216), (2669, 813720), (3140, 691662), (3768, 576385), (4710, 461108), (5338, 406860), (6280, 345831), (6781, 320280), (8007, 271240), (9420, 230554), (10676, 203430), (13345, 162744), (13562, 160140), (16014, 135620), (18840, 115277), (20343, 106760), (21352, 101715), (26690, 81372), (27124, 80070), (32028, 67810), (33905, 64056), (40035, 54248), (40686, 53380)]