493985280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:648

約数の個数: 160

約数和(自身を含む): 1594505088

約数和(自身を除く): 1100519808

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, 256, 262, 320, 384, 393, 480, 491, 512, 524, 640, 655, 768, 786, 960, 982, 1048, 1280, 1310, 1473, 1536, 1572, 1920, 1964, 1965, 2096, 2455, 2560, 2620, 2946, 3144, 3840, 3928, 3930, 4192, 4910, 5240, 5892, 6288, 7365, 7680, 7856, 7860, 8384, 9820, 10480, 11784, 12576, 14730, 15712, 15720, 16768, 19640, 20960, 23568, 25152, 29460, 31424, 31440, 33536, 39280, 41920, 47136, 50304, 58920, 62848, 62880, 64321, 67072, 78560, 83840, 94272, 100608, 117840, 125696, 125760, 128642, 157120, 167680, 188544, 192963, 201216, 235680, 251392, 251520, 257284, 314240, 321605, 335360, 377088, 385926, 471360, 503040, 514568, 628480, 643210, 754176, 771852, 942720, 964815, 1006080, 1029136, 1256960, 1286420, 1543704, 1885440, 1929630, 2058272, 2572840, 3087408, 3770880, 3859260, 4116544, 5145680, 6174816, 7718520, 8233088, 10291360, 12349632, 15437040, 16466176, 20582720, 24699264, 30874080, 32932352, 41165440, 49398528, 61748160, 82330880, 98797056, 123496320, 164661760, 246992640, 493985280]

約数ペア:

[(1, 493985280), (2, 246992640), (3, 164661760), (4, 123496320), (5, 98797056), (6, 82330880), (8, 61748160), (10, 49398528), (12, 41165440), (15, 32932352), (16, 30874080), (20, 24699264), (24, 20582720), (30, 16466176), (32, 15437040), (40, 12349632), (48, 10291360), (60, 8233088), (64, 7718520), (80, 6174816), (96, 5145680), (120, 4116544), (128, 3859260), (131, 3770880), (160, 3087408), (192, 2572840), (240, 2058272), (256, 1929630), (262, 1885440), (320, 1543704), (384, 1286420), (393, 1256960), (480, 1029136), (491, 1006080), (512, 964815), (524, 942720), (640, 771852), (655, 754176), (768, 643210), (786, 628480), (960, 514568), (982, 503040), (1048, 471360), (1280, 385926), (1310, 377088), (1473, 335360), (1536, 321605), (1572, 314240), (1920, 257284), (1964, 251520), (1965, 251392), (2096, 235680), (2455, 201216), (2560, 192963), (2620, 188544), (2946, 167680), (3144, 157120), (3840, 128642), (3928, 125760), (3930, 125696), (4192, 117840), (4910, 100608), (5240, 94272), (5892, 83840), (6288, 78560), (7365, 67072), (7680, 64321), (7856, 62880), (7860, 62848), (8384, 58920), (9820, 50304), (10480, 47136), (11784, 41920), (12576, 39280), (14730, 33536), (15712, 31440), (15720, 31424), (16768, 29460), (19640, 25152), (20960, 23568)]