123496320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 128

約数和(自身を含む): 397457280

約数和(自身を除く): 273960960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 131, 160, 192, 240, 262, 320, 384, 393, 480, 491, 524, 640, 655, 786, 960, 982, 1048, 1310, 1473, 1572, 1920, 1964, 1965, 2096, 2455, 2620, 2946, 3144, 3928, 3930, 4192, 4910, 5240, 5892, 6288, 7365, 7856, 7860, 8384, 9820, 10480, 11784, 12576, 14730, 15712, 15720, 16768, 19640, 20960, 23568, 25152, 29460, 31424, 31440, 39280, 41920, 47136, 50304, 58920, 62848, 62880, 64321, 78560, 83840, 94272, 117840, 125760, 128642, 157120, 188544, 192963, 235680, 251520, 257284, 314240, 321605, 385926, 471360, 514568, 643210, 771852, 942720, 964815, 1029136, 1286420, 1543704, 1929630, 2058272, 2572840, 3087408, 3859260, 4116544, 5145680, 6174816, 7718520, 8233088, 10291360, 12349632, 15437040, 20582720, 24699264, 30874080, 41165440, 61748160, 123496320]

約数ペア:

[(1, 123496320), (2, 61748160), (3, 41165440), (4, 30874080), (5, 24699264), (6, 20582720), (8, 15437040), (10, 12349632), (12, 10291360), (15, 8233088), (16, 7718520), (20, 6174816), (24, 5145680), (30, 4116544), (32, 3859260), (40, 3087408), (48, 2572840), (60, 2058272), (64, 1929630), (80, 1543704), (96, 1286420), (120, 1029136), (128, 964815), (131, 942720), (160, 771852), (192, 643210), (240, 514568), (262, 471360), (320, 385926), (384, 321605), (393, 314240), (480, 257284), (491, 251520), (524, 235680), (640, 192963), (655, 188544), (786, 157120), (960, 128642), (982, 125760), (1048, 117840), (1310, 94272), (1473, 83840), (1572, 78560), (1920, 64321), (1964, 62880), (1965, 62848), (2096, 58920), (2455, 50304), (2620, 47136), (2946, 41920), (3144, 39280), (3928, 31440), (3930, 31424), (4192, 29460), (4910, 25152), (5240, 23568), (5892, 20960), (6288, 19640), (7365, 16768), (7856, 15720), (7860, 15712), (8384, 14730), (9820, 12576), (10480, 11784)]