388958520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2659}}^1$

素因数の和:2749

約数の個数: 128

約数和(自身を含む): 1241049600

約数和(自身を除く): 852091080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 53, 60, 69, 92, 106, 115, 120, 138, 159, 184, 212, 230, 265, 276, 318, 345, 424, 460, 530, 552, 636, 690, 795, 920, 1060, 1219, 1272, 1380, 1590, 2120, 2438, 2659, 2760, 3180, 3657, 4876, 5318, 6095, 6360, 7314, 7977, 9752, 10636, 12190, 13295, 14628, 15954, 18285, 21272, 24380, 26590, 29256, 31908, 36570, 39885, 48760, 53180, 61157, 63816, 73140, 79770, 106360, 122314, 140927, 146280, 159540, 183471, 244628, 281854, 305785, 319080, 366942, 422781, 489256, 563708, 611570, 704635, 733884, 845562, 917355, 1127416, 1223140, 1409270, 1467768, 1691124, 1834710, 2113905, 2446280, 2818540, 3241321, 3382248, 3669420, 4227810, 5637080, 6482642, 7338840, 8455620, 9723963, 12965284, 16206605, 16911240, 19447926, 25930568, 32413210, 38895852, 48619815, 64826420, 77791704, 97239630, 129652840, 194479260, 388958520]

約数ペア:

[(1, 388958520), (2, 194479260), (3, 129652840), (4, 97239630), (5, 77791704), (6, 64826420), (8, 48619815), (10, 38895852), (12, 32413210), (15, 25930568), (20, 19447926), (23, 16911240), (24, 16206605), (30, 12965284), (40, 9723963), (46, 8455620), (53, 7338840), (60, 6482642), (69, 5637080), (92, 4227810), (106, 3669420), (115, 3382248), (120, 3241321), (138, 2818540), (159, 2446280), (184, 2113905), (212, 1834710), (230, 1691124), (265, 1467768), (276, 1409270), (318, 1223140), (345, 1127416), (424, 917355), (460, 845562), (530, 733884), (552, 704635), (636, 611570), (690, 563708), (795, 489256), (920, 422781), (1060, 366942), (1219, 319080), (1272, 305785), (1380, 281854), (1590, 244628), (2120, 183471), (2438, 159540), (2659, 146280), (2760, 140927), (3180, 122314), (3657, 106360), (4876, 79770), (5318, 73140), (6095, 63816), (6360, 61157), (7314, 53180), (7977, 48760), (9752, 39885), (10636, 36570), (12190, 31908), (13295, 29256), (14628, 26590), (15954, 24380), (18285, 21272)]