155655870040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{20177}}^1$

素因数の和:20485

約数の個数: 128

約数和(自身を含む): 388337716800

約数和(自身を除く): 232681846760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 197, 220, 356, 394, 440, 445, 712, 788, 890, 979, 985, 1576, 1780, 1958, 1970, 2167, 3560, 3916, 3940, 4334, 4895, 7832, 7880, 8668, 9790, 10835, 17336, 17533, 19580, 20177, 21670, 35066, 39160, 40354, 43340, 70132, 80708, 86680, 87665, 100885, 140264, 161416, 175330, 192863, 201770, 221947, 350660, 385726, 403540, 443894, 701320, 771452, 807080, 887788, 964315, 1109735, 1542904, 1775576, 1795753, 1928630, 2219470, 3591506, 3857260, 3974869, 4438940, 7183012, 7714520, 7949738, 8877880, 8978765, 14366024, 15899476, 17957530, 19753283, 19874345, 31798952, 35915060, 39506566, 39748690, 43723559, 71830120, 79013132, 79497380, 87447118, 98766415, 158026264, 158994760, 174894236, 197532830, 218617795, 349788472, 353763341, 395065660, 437235590, 707526682, 790131320, 874471180, 1415053364, 1748942360, 1768816705, 2830106728, 3537633410, 3891396751, 7075266820, 7782793502, 14150533640, 15565587004, 19456983755, 31131174008, 38913967510, 77827935020, 155655870040]

約数ペア:

[(1, 155655870040), (2, 77827935020), (4, 38913967510), (5, 31131174008), (8, 19456983755), (10, 15565587004), (11, 14150533640), (20, 7782793502), (22, 7075266820), (40, 3891396751), (44, 3537633410), (55, 2830106728), (88, 1768816705), (89, 1748942360), (110, 1415053364), (178, 874471180), (197, 790131320), (220, 707526682), (356, 437235590), (394, 395065660), (440, 353763341), (445, 349788472), (712, 218617795), (788, 197532830), (890, 174894236), (979, 158994760), (985, 158026264), (1576, 98766415), (1780, 87447118), (1958, 79497380), (1970, 79013132), (2167, 71830120), (3560, 43723559), (3916, 39748690), (3940, 39506566), (4334, 35915060), (4895, 31798952), (7832, 19874345), (7880, 19753283), (8668, 17957530), (9790, 15899476), (10835, 14366024), (17336, 8978765), (17533, 8877880), (19580, 7949738), (20177, 7714520), (21670, 7183012), (35066, 4438940), (39160, 3974869), (40354, 3857260), (43340, 3591506), (70132, 2219470), (80708, 1928630), (86680, 1795753), (87665, 1775576), (100885, 1542904), (140264, 1109735), (161416, 964315), (175330, 887788), (192863, 807080), (201770, 771452), (221947, 701320), (350660, 443894), (385726, 403540)]