31617040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 93494016

約数和(自身を除く): 61876976

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 80, 86, 91, 101, 104, 112, 130, 140, 172, 182, 202, 208, 215, 260, 280, 301, 344, 364, 404, 430, 455, 505, 520, 559, 560, 602, 688, 707, 728, 808, 860, 910, 1010, 1040, 1118, 1204, 1313, 1414, 1456, 1505, 1616, 1720, 1820, 2020, 2236, 2408, 2626, 2795, 2828, 3010, 3440, 3535, 3640, 3913, 4040, 4343, 4472, 4816, 5252, 5590, 5656, 6020, 6565, 7070, 7280, 7826, 8080, 8686, 8944, 9191, 10504, 11180, 11312, 12040, 13130, 14140, 15652, 17372, 18382, 19565, 21008, 21715, 22360, 24080, 26260, 28280, 30401, 31304, 34744, 36764, 39130, 43430, 44720, 45955, 52520, 56459, 56560, 60802, 62608, 69488, 73528, 78260, 86860, 91910, 105040, 112918, 121604, 147056, 152005, 156520, 173720, 183820, 225836, 243208, 282295, 304010, 313040, 347440, 367640, 395213, 451672, 486416, 564590, 608020, 735280, 790426, 903344, 1129180, 1216040, 1580852, 1976065, 2258360, 2432080, 3161704, 3952130, 4516720, 6323408, 7904260, 15808520, 31617040]

約数ペア:

[(1, 31617040), (2, 15808520), (4, 7904260), (5, 6323408), (7, 4516720), (8, 3952130), (10, 3161704), (13, 2432080), (14, 2258360), (16, 1976065), (20, 1580852), (26, 1216040), (28, 1129180), (35, 903344), (40, 790426), (43, 735280), (52, 608020), (56, 564590), (65, 486416), (70, 451672), (80, 395213), (86, 367640), (91, 347440), (101, 313040), (104, 304010), (112, 282295), (130, 243208), (140, 225836), (172, 183820), (182, 173720), (202, 156520), (208, 152005), (215, 147056), (260, 121604), (280, 112918), (301, 105040), (344, 91910), (364, 86860), (404, 78260), (430, 73528), (455, 69488), (505, 62608), (520, 60802), (559, 56560), (560, 56459), (602, 52520), (688, 45955), (707, 44720), (728, 43430), (808, 39130), (860, 36764), (910, 34744), (1010, 31304), (1040, 30401), (1118, 28280), (1204, 26260), (1313, 24080), (1414, 22360), (1456, 21715), (1505, 21008), (1616, 19565), (1720, 18382), (1820, 17372), (2020, 15652), (2236, 14140), (2408, 13130), (2626, 12040), (2795, 11312), (2828, 11180), (3010, 10504), (3440, 9191), (3535, 8944), (3640, 8686), (3913, 8080), (4040, 7826), (4343, 7280), (4472, 7070), (4816, 6565), (5252, 6020), (5590, 5656)]