721524420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{827}}^1$

素因数の和:1010

約数の個数: 144

約数和(自身を含む): 2267673408

約数和(自身を除く): 1546148988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 131, 148, 180, 185, 222, 262, 333, 370, 393, 444, 524, 555, 655, 666, 740, 786, 827, 1110, 1179, 1310, 1332, 1572, 1654, 1665, 1965, 2220, 2358, 2481, 2620, 3308, 3330, 3930, 4135, 4716, 4847, 4962, 5895, 6660, 7443, 7860, 8270, 9694, 9924, 11790, 12405, 14541, 14886, 16540, 19388, 23580, 24235, 24810, 29082, 29772, 30599, 37215, 43623, 48470, 49620, 58164, 61198, 72705, 74430, 87246, 91797, 96940, 108337, 122396, 145410, 148860, 152995, 174492, 183594, 216674, 218115, 275391, 290820, 305990, 325011, 367188, 433348, 436230, 458985, 541685, 550782, 611980, 650022, 872460, 917970, 975033, 1083370, 1101564, 1300044, 1376955, 1625055, 1835940, 1950066, 2166740, 2753910, 3250110, 3900132, 4008469, 4875165, 5507820, 6500220, 8016938, 9750330, 12025407, 16033876, 19500660, 20042345, 24050814, 36076221, 40084690, 48101628, 60127035, 72152442, 80169380, 120254070, 144304884, 180381105, 240508140, 360762210, 721524420]

約数ペア:

[(1, 721524420), (2, 360762210), (3, 240508140), (4, 180381105), (5, 144304884), (6, 120254070), (9, 80169380), (10, 72152442), (12, 60127035), (15, 48101628), (18, 40084690), (20, 36076221), (30, 24050814), (36, 20042345), (37, 19500660), (45, 16033876), (60, 12025407), (74, 9750330), (90, 8016938), (111, 6500220), (131, 5507820), (148, 4875165), (180, 4008469), (185, 3900132), (222, 3250110), (262, 2753910), (333, 2166740), (370, 1950066), (393, 1835940), (444, 1625055), (524, 1376955), (555, 1300044), (655, 1101564), (666, 1083370), (740, 975033), (786, 917970), (827, 872460), (1110, 650022), (1179, 611980), (1310, 550782), (1332, 541685), (1572, 458985), (1654, 436230), (1665, 433348), (1965, 367188), (2220, 325011), (2358, 305990), (2481, 290820), (2620, 275391), (3308, 218115), (3330, 216674), (3930, 183594), (4135, 174492), (4716, 152995), (4847, 148860), (4962, 145410), (5895, 122396), (6660, 108337), (7443, 96940), (7860, 91797), (8270, 87246), (9694, 74430), (9924, 72705), (11790, 61198), (12405, 58164), (14541, 49620), (14886, 48470), (16540, 43623), (19388, 37215), (23580, 30599), (24235, 29772), (24810, 29082)]