87481660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 232696800

約数和(自身を除く): 145215140

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 59, 68, 70, 85, 89, 98, 118, 119, 140, 170, 178, 196, 236, 238, 245, 295, 340, 356, 413, 445, 476, 490, 590, 595, 623, 826, 833, 890, 980, 1003, 1180, 1190, 1246, 1513, 1652, 1666, 1780, 2006, 2065, 2380, 2492, 2891, 3026, 3115, 3332, 4012, 4130, 4165, 4361, 5015, 5251, 5782, 6052, 6230, 7021, 7565, 8260, 8330, 8722, 10030, 10502, 10591, 11564, 12460, 14042, 14455, 15130, 16660, 17444, 20060, 21004, 21182, 21805, 26255, 28084, 28910, 30260, 35105, 36757, 42364, 43610, 49147, 52510, 52955, 57820, 70210, 73514, 74137, 87220, 89267, 98294, 105020, 105910, 140420, 147028, 148274, 178534, 183785, 196588, 211820, 245735, 257299, 296548, 357068, 367570, 370685, 446335, 491470, 514598, 624869, 735140, 741370, 892670, 982940, 1029196, 1249738, 1286495, 1482740, 1785340, 2499476, 2572990, 3124345, 4374083, 5145980, 6248690, 8748166, 12497380, 17496332, 21870415, 43740830, 87481660]

約数ペア:

[(1, 87481660), (2, 43740830), (4, 21870415), (5, 17496332), (7, 12497380), (10, 8748166), (14, 6248690), (17, 5145980), (20, 4374083), (28, 3124345), (34, 2572990), (35, 2499476), (49, 1785340), (59, 1482740), (68, 1286495), (70, 1249738), (85, 1029196), (89, 982940), (98, 892670), (118, 741370), (119, 735140), (140, 624869), (170, 514598), (178, 491470), (196, 446335), (236, 370685), (238, 367570), (245, 357068), (295, 296548), (340, 257299), (356, 245735), (413, 211820), (445, 196588), (476, 183785), (490, 178534), (590, 148274), (595, 147028), (623, 140420), (826, 105910), (833, 105020), (890, 98294), (980, 89267), (1003, 87220), (1180, 74137), (1190, 73514), (1246, 70210), (1513, 57820), (1652, 52955), (1666, 52510), (1780, 49147), (2006, 43610), (2065, 42364), (2380, 36757), (2492, 35105), (2891, 30260), (3026, 28910), (3115, 28084), (3332, 26255), (4012, 21805), (4130, 21182), (4165, 21004), (4361, 20060), (5015, 17444), (5251, 16660), (5782, 15130), (6052, 14455), (6230, 14042), (7021, 12460), (7565, 11564), (8260, 10591), (8330, 10502), (8722, 10030)]