123271920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{547}}^1$

素因数の和:879

約数の個数: 120

約数和(自身を含む): 416070096

約数和(自身を除く): 292798176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 313, 360, 547, 626, 720, 939, 1094, 1252, 1565, 1641, 1878, 2188, 2504, 2735, 2817, 3130, 3282, 3756, 4376, 4695, 4923, 5008, 5470, 5634, 6260, 6564, 7512, 8205, 8752, 9390, 9846, 10940, 11268, 12520, 13128, 14085, 15024, 16410, 18780, 19692, 21880, 22536, 24615, 25040, 26256, 28170, 32820, 37560, 39384, 43760, 45072, 49230, 56340, 65640, 75120, 78768, 98460, 112680, 131280, 171211, 196920, 225360, 342422, 393840, 513633, 684844, 856055, 1027266, 1369688, 1540899, 1712110, 2054532, 2568165, 2739376, 3081798, 3424220, 4109064, 5136330, 6163596, 6848440, 7704495, 8218128, 10272660, 12327192, 13696880, 15408990, 20545320, 24654384, 30817980, 41090640, 61635960, 123271920]

約数ペア:

[(1, 123271920), (2, 61635960), (3, 41090640), (4, 30817980), (5, 24654384), (6, 20545320), (8, 15408990), (9, 13696880), (10, 12327192), (12, 10272660), (15, 8218128), (16, 7704495), (18, 6848440), (20, 6163596), (24, 5136330), (30, 4109064), (36, 3424220), (40, 3081798), (45, 2739376), (48, 2568165), (60, 2054532), (72, 1712110), (80, 1540899), (90, 1369688), (120, 1027266), (144, 856055), (180, 684844), (240, 513633), (313, 393840), (360, 342422), (547, 225360), (626, 196920), (720, 171211), (939, 131280), (1094, 112680), (1252, 98460), (1565, 78768), (1641, 75120), (1878, 65640), (2188, 56340), (2504, 49230), (2735, 45072), (2817, 43760), (3130, 39384), (3282, 37560), (3756, 32820), (4376, 28170), (4695, 26256), (4923, 25040), (5008, 24615), (5470, 22536), (5634, 21880), (6260, 19692), (6564, 18780), (7512, 16410), (8205, 15024), (8752, 14085), (9390, 13128), (9846, 12520), (10940, 11268)]