215512560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6961}}^1$

素因数の和:7023

約数の個数: 120

約数和(自身を含む): 740701104

約数和(自身を除く): 525188544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 5160, 6192, 6961, 7740, 10320, 13922, 15480, 20883, 27844, 30960, 34805, 41766, 55688, 62649, 69610, 83532, 104415, 111376, 125298, 139220, 167064, 208830, 250596, 278440, 299323, 313245, 334128, 417660, 501192, 556880, 598646, 626490, 835320, 897969, 1002384, 1197292, 1252980, 1496615, 1670640, 1795938, 2394584, 2505960, 2693907, 2993230, 3591876, 4489845, 4789168, 5011920, 5387814, 5986460, 7183752, 8979690, 10775628, 11972920, 13469535, 14367504, 17959380, 21551256, 23945840, 26939070, 35918760, 43102512, 53878140, 71837520, 107756280, 215512560]

約数ペア:

[(1, 215512560), (2, 107756280), (3, 71837520), (4, 53878140), (5, 43102512), (6, 35918760), (8, 26939070), (9, 23945840), (10, 21551256), (12, 17959380), (15, 14367504), (16, 13469535), (18, 11972920), (20, 10775628), (24, 8979690), (30, 7183752), (36, 5986460), (40, 5387814), (43, 5011920), (45, 4789168), (48, 4489845), (60, 3591876), (72, 2993230), (80, 2693907), (86, 2505960), (90, 2394584), (120, 1795938), (129, 1670640), (144, 1496615), (172, 1252980), (180, 1197292), (215, 1002384), (240, 897969), (258, 835320), (344, 626490), (360, 598646), (387, 556880), (430, 501192), (516, 417660), (645, 334128), (688, 313245), (720, 299323), (774, 278440), (860, 250596), (1032, 208830), (1290, 167064), (1548, 139220), (1720, 125298), (1935, 111376), (2064, 104415), (2580, 83532), (3096, 69610), (3440, 62649), (3870, 55688), (5160, 41766), (6192, 34805), (6961, 30960), (7740, 27844), (10320, 20883), (13922, 15480)]