180378720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{547}}^1$

素因数の和:797

約数の個数: 144

約数和(自身を含む): 619360560

約数和(自身を除く): 438981840

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, 72, 80, 90, 96, 120, 144, 160, 180, 229, 240, 288, 360, 458, 480, 547, 687, 720, 916, 1094, 1145, 1374, 1440, 1641, 1832, 2061, 2188, 2290, 2735, 2748, 3282, 3435, 3664, 4122, 4376, 4580, 4923, 5470, 5496, 6564, 6870, 7328, 8205, 8244, 8752, 9160, 9846, 10305, 10940, 10992, 13128, 13740, 16410, 16488, 17504, 18320, 19692, 20610, 21880, 21984, 24615, 26256, 27480, 32820, 32976, 36640, 39384, 41220, 43760, 49230, 52512, 54960, 65640, 65952, 78768, 82440, 87520, 98460, 109920, 125263, 131280, 157536, 164880, 196920, 250526, 262560, 329760, 375789, 393840, 501052, 626315, 751578, 787680, 1002104, 1127367, 1252630, 1503156, 1878945, 2004208, 2254734, 2505260, 3006312, 3757890, 4008416, 4509468, 5010520, 5636835, 6012624, 7515780, 9018936, 10021040, 11273670, 12025248, 15031560, 18037872, 20042080, 22547340, 30063120, 36075744, 45094680, 60126240, 90189360, 180378720]

約数ペア:

[(1, 180378720), (2, 90189360), (3, 60126240), (4, 45094680), (5, 36075744), (6, 30063120), (8, 22547340), (9, 20042080), (10, 18037872), (12, 15031560), (15, 12025248), (16, 11273670), (18, 10021040), (20, 9018936), (24, 7515780), (30, 6012624), (32, 5636835), (36, 5010520), (40, 4509468), (45, 4008416), (48, 3757890), (60, 3006312), (72, 2505260), (80, 2254734), (90, 2004208), (96, 1878945), (120, 1503156), (144, 1252630), (160, 1127367), (180, 1002104), (229, 787680), (240, 751578), (288, 626315), (360, 501052), (458, 393840), (480, 375789), (547, 329760), (687, 262560), (720, 250526), (916, 196920), (1094, 164880), (1145, 157536), (1374, 131280), (1440, 125263), (1641, 109920), (1832, 98460), (2061, 87520), (2188, 82440), (2290, 78768), (2735, 65952), (2748, 65640), (3282, 54960), (3435, 52512), (3664, 49230), (4122, 43760), (4376, 41220), (4580, 39384), (4923, 36640), (5470, 32976), (5496, 32820), (6564, 27480), (6870, 26256), (7328, 24615), (8205, 21984), (8244, 21880), (8752, 20610), (9160, 19692), (9846, 18320), (10305, 17504), (10940, 16488), (10992, 16410), (13128, 13740)]