77498760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 243855360

約数和(自身を除く): 166356600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 83, 93, 120, 124, 155, 166, 186, 248, 249, 251, 310, 332, 372, 415, 465, 498, 502, 620, 664, 744, 753, 830, 930, 996, 1004, 1240, 1245, 1255, 1506, 1660, 1860, 1992, 2008, 2490, 2510, 2573, 3012, 3320, 3720, 3765, 4980, 5020, 5146, 6024, 7530, 7719, 7781, 9960, 10040, 10292, 12865, 15060, 15438, 15562, 20584, 20833, 23343, 25730, 30120, 30876, 31124, 38595, 38905, 41666, 46686, 51460, 61752, 62248, 62499, 77190, 77810, 83332, 93372, 102920, 104165, 116715, 124998, 154380, 155620, 166664, 186744, 208330, 233430, 249996, 308760, 311240, 312495, 416660, 466860, 499992, 624990, 645823, 833320, 933720, 1249980, 1291646, 1937469, 2499960, 2583292, 3229115, 3874938, 5166584, 6458230, 7749876, 9687345, 12916460, 15499752, 19374690, 25832920, 38749380, 77498760]

約数ペア:

[(1, 77498760), (2, 38749380), (3, 25832920), (4, 19374690), (5, 15499752), (6, 12916460), (8, 9687345), (10, 7749876), (12, 6458230), (15, 5166584), (20, 3874938), (24, 3229115), (30, 2583292), (31, 2499960), (40, 1937469), (60, 1291646), (62, 1249980), (83, 933720), (93, 833320), (120, 645823), (124, 624990), (155, 499992), (166, 466860), (186, 416660), (248, 312495), (249, 311240), (251, 308760), (310, 249996), (332, 233430), (372, 208330), (415, 186744), (465, 166664), (498, 155620), (502, 154380), (620, 124998), (664, 116715), (744, 104165), (753, 102920), (830, 93372), (930, 83332), (996, 77810), (1004, 77190), (1240, 62499), (1245, 62248), (1255, 61752), (1506, 51460), (1660, 46686), (1860, 41666), (1992, 38905), (2008, 38595), (2490, 31124), (2510, 30876), (2573, 30120), (3012, 25730), (3320, 23343), (3720, 20833), (3765, 20584), (4980, 15562), (5020, 15438), (5146, 15060), (6024, 12865), (7530, 10292), (7719, 10040), (7781, 9960)]