165212520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2663}}^1$

素因数の和:2735

約数の個数: 128

約数和(自身を含む): 552407040

約数和(自身を除く): 387194520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 470, 517, 564, 660, 705, 940, 1034, 1128, 1320, 1410, 1551, 1880, 2068, 2585, 2663, 2820, 3102, 4136, 5170, 5326, 5640, 6204, 7755, 7989, 10340, 10652, 12408, 13315, 15510, 15978, 20680, 21304, 26630, 29293, 31020, 31956, 39945, 53260, 58586, 62040, 63912, 79890, 87879, 106520, 117172, 125161, 146465, 159780, 175758, 234344, 250322, 292930, 319560, 351516, 375483, 439395, 500644, 585860, 625805, 703032, 750966, 878790, 1001288, 1171720, 1251610, 1376771, 1501932, 1757580, 1877415, 2503220, 2753542, 3003864, 3515160, 3754830, 4130313, 5006440, 5507084, 6883855, 7509660, 8260626, 11014168, 13767710, 15019320, 16521252, 20651565, 27535420, 33042504, 41303130, 55070840, 82606260, 165212520]

約数ペア:

[(1, 165212520), (2, 82606260), (3, 55070840), (4, 41303130), (5, 33042504), (6, 27535420), (8, 20651565), (10, 16521252), (11, 15019320), (12, 13767710), (15, 11014168), (20, 8260626), (22, 7509660), (24, 6883855), (30, 5507084), (33, 5006440), (40, 4130313), (44, 3754830), (47, 3515160), (55, 3003864), (60, 2753542), (66, 2503220), (88, 1877415), (94, 1757580), (110, 1501932), (120, 1376771), (132, 1251610), (141, 1171720), (165, 1001288), (188, 878790), (220, 750966), (235, 703032), (264, 625805), (282, 585860), (330, 500644), (376, 439395), (440, 375483), (470, 351516), (517, 319560), (564, 292930), (660, 250322), (705, 234344), (940, 175758), (1034, 159780), (1128, 146465), (1320, 125161), (1410, 117172), (1551, 106520), (1880, 87879), (2068, 79890), (2585, 63912), (2663, 62040), (2820, 58586), (3102, 53260), (4136, 39945), (5170, 31956), (5326, 31020), (5640, 29293), (6204, 26630), (7755, 21304), (7989, 20680), (10340, 15978), (10652, 15510), (12408, 13315)]