28796880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 160

約数和(自身を含む): 104064768

約数和(自身を除く): 75267888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 281, 305, 336, 366, 420, 427, 488, 560, 562, 610, 732, 840, 843, 854, 915, 976, 1124, 1220, 1281, 1405, 1464, 1680, 1686, 1708, 1830, 1967, 2135, 2248, 2440, 2562, 2810, 2928, 3372, 3416, 3660, 3934, 4215, 4270, 4496, 4880, 5124, 5620, 5901, 6405, 6744, 6832, 7320, 7868, 8430, 8540, 9835, 10248, 11240, 11802, 12810, 13488, 14640, 15736, 16860, 17080, 17141, 19670, 20496, 22480, 23604, 25620, 29505, 31472, 33720, 34160, 34282, 39340, 47208, 51240, 51423, 59010, 67440, 68564, 78680, 85705, 94416, 102480, 102846, 118020, 119987, 137128, 157360, 171410, 205692, 236040, 239974, 257115, 274256, 342820, 359961, 411384, 472080, 479948, 514230, 599935, 685640, 719922, 822768, 959896, 1028460, 1199870, 1371280, 1439844, 1799805, 1919792, 2056920, 2399740, 2879688, 3599610, 4113840, 4799480, 5759376, 7199220, 9598960, 14398440, 28796880]

約数ペア:

[(1, 28796880), (2, 14398440), (3, 9598960), (4, 7199220), (5, 5759376), (6, 4799480), (7, 4113840), (8, 3599610), (10, 2879688), (12, 2399740), (14, 2056920), (15, 1919792), (16, 1799805), (20, 1439844), (21, 1371280), (24, 1199870), (28, 1028460), (30, 959896), (35, 822768), (40, 719922), (42, 685640), (48, 599935), (56, 514230), (60, 479948), (61, 472080), (70, 411384), (80, 359961), (84, 342820), (105, 274256), (112, 257115), (120, 239974), (122, 236040), (140, 205692), (168, 171410), (183, 157360), (210, 137128), (240, 119987), (244, 118020), (280, 102846), (281, 102480), (305, 94416), (336, 85705), (366, 78680), (420, 68564), (427, 67440), (488, 59010), (560, 51423), (562, 51240), (610, 47208), (732, 39340), (840, 34282), (843, 34160), (854, 33720), (915, 31472), (976, 29505), (1124, 25620), (1220, 23604), (1281, 22480), (1405, 20496), (1464, 19670), (1680, 17141), (1686, 17080), (1708, 16860), (1830, 15736), (1967, 14640), (2135, 13488), (2248, 12810), (2440, 11802), (2562, 11240), (2810, 10248), (2928, 9835), (3372, 8540), (3416, 8430), (3660, 7868), (3934, 7320), (4215, 6832), (4270, 6744), (4496, 6405), (4880, 5901), (5124, 5620)]