18748320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:438

約数の個数: 96

約数和(自身を含む): 59693760

約数和(自身を除く): 40945440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 139, 160, 240, 278, 281, 417, 480, 556, 562, 695, 834, 843, 1112, 1124, 1390, 1405, 1668, 1686, 2085, 2224, 2248, 2780, 2810, 3336, 3372, 4170, 4215, 4448, 4496, 5560, 5620, 6672, 6744, 8340, 8430, 8992, 11120, 11240, 13344, 13488, 16680, 16860, 22240, 22480, 26976, 33360, 33720, 39059, 44960, 66720, 67440, 78118, 117177, 134880, 156236, 195295, 234354, 312472, 390590, 468708, 585885, 624944, 781180, 937416, 1171770, 1249888, 1562360, 1874832, 2343540, 3124720, 3749664, 4687080, 6249440, 9374160, 18748320]

約数ペア:

[(1, 18748320), (2, 9374160), (3, 6249440), (4, 4687080), (5, 3749664), (6, 3124720), (8, 2343540), (10, 1874832), (12, 1562360), (15, 1249888), (16, 1171770), (20, 937416), (24, 781180), (30, 624944), (32, 585885), (40, 468708), (48, 390590), (60, 312472), (80, 234354), (96, 195295), (120, 156236), (139, 134880), (160, 117177), (240, 78118), (278, 67440), (281, 66720), (417, 44960), (480, 39059), (556, 33720), (562, 33360), (695, 26976), (834, 22480), (843, 22240), (1112, 16860), (1124, 16680), (1390, 13488), (1405, 13344), (1668, 11240), (1686, 11120), (2085, 8992), (2224, 8430), (2248, 8340), (2780, 6744), (2810, 6672), (3336, 5620), (3372, 5560), (4170, 4496), (4215, 4448)]