123462720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:449

約数の個数: 168

約数和(自身を含む): 428890176

約数和(自身を除く): 305427456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 163, 180, 192, 240, 263, 288, 320, 326, 360, 480, 489, 526, 576, 652, 720, 789, 815, 960, 978, 1052, 1304, 1315, 1440, 1467, 1578, 1630, 1956, 2104, 2367, 2445, 2608, 2630, 2880, 2934, 3156, 3260, 3912, 3945, 4208, 4734, 4890, 5216, 5260, 5868, 6312, 6520, 7335, 7824, 7890, 8416, 9468, 9780, 10432, 10520, 11736, 11835, 12624, 13040, 14670, 15648, 15780, 16832, 18936, 19560, 21040, 23472, 23670, 25248, 26080, 29340, 31296, 31560, 37872, 39120, 42080, 42869, 46944, 47340, 50496, 52160, 58680, 63120, 75744, 78240, 84160, 85738, 93888, 94680, 117360, 126240, 128607, 151488, 156480, 171476, 189360, 214345, 234720, 252480, 257214, 342952, 378720, 385821, 428690, 469440, 514428, 643035, 685904, 757440, 771642, 857380, 1028856, 1286070, 1371808, 1543284, 1714760, 1929105, 2057712, 2572140, 2743616, 3086568, 3429520, 3858210, 4115424, 5144280, 6173136, 6859040, 7716420, 8230848, 10288560, 12346272, 13718080, 15432840, 20577120, 24692544, 30865680, 41154240, 61731360, 123462720]

約数ペア:

[(1, 123462720), (2, 61731360), (3, 41154240), (4, 30865680), (5, 24692544), (6, 20577120), (8, 15432840), (9, 13718080), (10, 12346272), (12, 10288560), (15, 8230848), (16, 7716420), (18, 6859040), (20, 6173136), (24, 5144280), (30, 4115424), (32, 3858210), (36, 3429520), (40, 3086568), (45, 2743616), (48, 2572140), (60, 2057712), (64, 1929105), (72, 1714760), (80, 1543284), (90, 1371808), (96, 1286070), (120, 1028856), (144, 857380), (160, 771642), (163, 757440), (180, 685904), (192, 643035), (240, 514428), (263, 469440), (288, 428690), (320, 385821), (326, 378720), (360, 342952), (480, 257214), (489, 252480), (526, 234720), (576, 214345), (652, 189360), (720, 171476), (789, 156480), (815, 151488), (960, 128607), (978, 126240), (1052, 117360), (1304, 94680), (1315, 93888), (1440, 85738), (1467, 84160), (1578, 78240), (1630, 75744), (1956, 63120), (2104, 58680), (2367, 52160), (2445, 50496), (2608, 47340), (2630, 46944), (2880, 42869), (2934, 42080), (3156, 39120), (3260, 37872), (3912, 31560), (3945, 31296), (4208, 29340), (4734, 26080), (4890, 25248), (5216, 23670), (5260, 23472), (5868, 21040), (6312, 19560), (6520, 18936), (7335, 16832), (7824, 15780), (7890, 15648), (8416, 14670), (9468, 13040), (9780, 12624), (10432, 11835), (10520, 11736)]