221057640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1039}}^1$

素因数の和:1256

約数の個数: 128

約数和(自身を含む): 741312000

約数和(自身を除く): 520254360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 197, 216, 270, 360, 394, 540, 591, 788, 985, 1039, 1080, 1182, 1576, 1773, 1970, 2078, 2364, 2955, 3117, 3546, 3940, 4156, 4728, 5195, 5319, 5910, 6234, 7092, 7880, 8312, 8865, 9351, 10390, 10638, 11820, 12468, 14184, 15585, 17730, 18702, 20780, 21276, 23640, 24936, 26595, 28053, 31170, 35460, 37404, 41560, 42552, 46755, 53190, 56106, 62340, 70920, 74808, 93510, 106380, 112212, 124680, 140265, 187020, 204683, 212760, 224424, 280530, 374040, 409366, 561060, 614049, 818732, 1023415, 1122120, 1228098, 1637464, 1842147, 2046830, 2456196, 3070245, 3684294, 4093660, 4912392, 5526441, 6140490, 7368588, 8187320, 9210735, 11052882, 12280980, 14737176, 18421470, 22105764, 24561960, 27632205, 36842940, 44211528, 55264410, 73685880, 110528820, 221057640]

約数ペア:

[(1, 221057640), (2, 110528820), (3, 73685880), (4, 55264410), (5, 44211528), (6, 36842940), (8, 27632205), (9, 24561960), (10, 22105764), (12, 18421470), (15, 14737176), (18, 12280980), (20, 11052882), (24, 9210735), (27, 8187320), (30, 7368588), (36, 6140490), (40, 5526441), (45, 4912392), (54, 4093660), (60, 3684294), (72, 3070245), (90, 2456196), (108, 2046830), (120, 1842147), (135, 1637464), (180, 1228098), (197, 1122120), (216, 1023415), (270, 818732), (360, 614049), (394, 561060), (540, 409366), (591, 374040), (788, 280530), (985, 224424), (1039, 212760), (1080, 204683), (1182, 187020), (1576, 140265), (1773, 124680), (1970, 112212), (2078, 106380), (2364, 93510), (2955, 74808), (3117, 70920), (3546, 62340), (3940, 56106), (4156, 53190), (4728, 46755), (5195, 42552), (5319, 41560), (5910, 37404), (6234, 35460), (7092, 31170), (7880, 28053), (8312, 26595), (8865, 24936), (9351, 23640), (10390, 21276), (10638, 20780), (11820, 18702), (12468, 17730), (14184, 15585)]