15808520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 45239040

約数和(自身を除く): 29430520

約数列:

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

約数ペア:

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