161929440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:969

約数の個数: 144

約数和(自身を含む): 557247600

約数和(自身を除く): 395318160

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, 139, 144, 160, 180, 240, 278, 288, 360, 417, 480, 556, 695, 720, 809, 834, 1112, 1251, 1390, 1440, 1618, 1668, 2085, 2224, 2427, 2502, 2780, 3236, 3336, 4045, 4170, 4448, 4854, 5004, 5560, 6255, 6472, 6672, 7281, 8090, 8340, 9708, 10008, 11120, 12135, 12510, 12944, 13344, 14562, 16180, 16680, 19416, 20016, 22240, 24270, 25020, 25888, 29124, 32360, 33360, 36405, 38832, 40032, 48540, 50040, 58248, 64720, 66720, 72810, 77664, 97080, 100080, 112451, 116496, 129440, 145620, 194160, 200160, 224902, 232992, 291240, 337353, 388320, 449804, 562255, 582480, 674706, 899608, 1012059, 1124510, 1164960, 1349412, 1686765, 1799216, 2024118, 2249020, 2698824, 3373530, 3598432, 4048236, 4498040, 5060295, 5397648, 6747060, 8096472, 8996080, 10120590, 10795296, 13494120, 16192944, 17992160, 20241180, 26988240, 32385888, 40482360, 53976480, 80964720, 161929440]

約数ペア:

[(1, 161929440), (2, 80964720), (3, 53976480), (4, 40482360), (5, 32385888), (6, 26988240), (8, 20241180), (9, 17992160), (10, 16192944), (12, 13494120), (15, 10795296), (16, 10120590), (18, 8996080), (20, 8096472), (24, 6747060), (30, 5397648), (32, 5060295), (36, 4498040), (40, 4048236), (45, 3598432), (48, 3373530), (60, 2698824), (72, 2249020), (80, 2024118), (90, 1799216), (96, 1686765), (120, 1349412), (139, 1164960), (144, 1124510), (160, 1012059), (180, 899608), (240, 674706), (278, 582480), (288, 562255), (360, 449804), (417, 388320), (480, 337353), (556, 291240), (695, 232992), (720, 224902), (809, 200160), (834, 194160), (1112, 145620), (1251, 129440), (1390, 116496), (1440, 112451), (1618, 100080), (1668, 97080), (2085, 77664), (2224, 72810), (2427, 66720), (2502, 64720), (2780, 58248), (3236, 50040), (3336, 48540), (4045, 40032), (4170, 38832), (4448, 36405), (4854, 33360), (5004, 32360), (5560, 29124), (6255, 25888), (6472, 25020), (6672, 24270), (7281, 22240), (8090, 20016), (8340, 19416), (9708, 16680), (10008, 16180), (11120, 14562), (12135, 13344), (12510, 12944)]