154997520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:381

約数の個数: 160

約数和(自身を含む): 503967744

約数和(自身を除く): 348970224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 83, 93, 120, 124, 155, 166, 186, 240, 248, 249, 251, 310, 332, 372, 415, 465, 496, 498, 502, 620, 664, 744, 753, 830, 930, 996, 1004, 1240, 1245, 1255, 1328, 1488, 1506, 1660, 1860, 1992, 2008, 2480, 2490, 2510, 2573, 3012, 3320, 3720, 3765, 3984, 4016, 4980, 5020, 5146, 6024, 6640, 7440, 7530, 7719, 7781, 9960, 10040, 10292, 12048, 12865, 15060, 15438, 15562, 19920, 20080, 20584, 20833, 23343, 25730, 30120, 30876, 31124, 38595, 38905, 41168, 41666, 46686, 51460, 60240, 61752, 62248, 62499, 77190, 77810, 83332, 93372, 102920, 104165, 116715, 123504, 124496, 124998, 154380, 155620, 166664, 186744, 205840, 208330, 233430, 249996, 308760, 311240, 312495, 333328, 373488, 416660, 466860, 499992, 617520, 622480, 624990, 645823, 833320, 933720, 999984, 1249980, 1291646, 1666640, 1867440, 1937469, 2499960, 2583292, 3229115, 3874938, 4999920, 5166584, 6458230, 7749876, 9687345, 10333168, 12916460, 15499752, 19374690, 25832920, 30999504, 38749380, 51665840, 77498760, 154997520]

約数ペア:

[(1, 154997520), (2, 77498760), (3, 51665840), (4, 38749380), (5, 30999504), (6, 25832920), (8, 19374690), (10, 15499752), (12, 12916460), (15, 10333168), (16, 9687345), (20, 7749876), (24, 6458230), (30, 5166584), (31, 4999920), (40, 3874938), (48, 3229115), (60, 2583292), (62, 2499960), (80, 1937469), (83, 1867440), (93, 1666640), (120, 1291646), (124, 1249980), (155, 999984), (166, 933720), (186, 833320), (240, 645823), (248, 624990), (249, 622480), (251, 617520), (310, 499992), (332, 466860), (372, 416660), (415, 373488), (465, 333328), (496, 312495), (498, 311240), (502, 308760), (620, 249996), (664, 233430), (744, 208330), (753, 205840), (830, 186744), (930, 166664), (996, 155620), (1004, 154380), (1240, 124998), (1245, 124496), (1255, 123504), (1328, 116715), (1488, 104165), (1506, 102920), (1660, 93372), (1860, 83332), (1992, 77810), (2008, 77190), (2480, 62499), (2490, 62248), (2510, 61752), (2573, 60240), (3012, 51460), (3320, 46686), (3720, 41666), (3765, 41168), (3984, 38905), (4016, 38595), (4980, 31124), (5020, 30876), (5146, 30120), (6024, 25730), (6640, 23343), (7440, 20833), (7530, 20584), (7719, 20080), (7781, 19920), (9960, 15562), (10040, 15438), (10292, 15060), (12048, 12865)]