71837520

素因数分解:

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

素因数の和:7020

約数の個数: 80

約数和(自身を含む): 227908032

約数和(自身を除く): 156070512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 6961, 10320, 13922, 20883, 27844, 34805, 41766, 55688, 69610, 83532, 104415, 111376, 139220, 167064, 208830, 278440, 299323, 334128, 417660, 556880, 598646, 835320, 897969, 1197292, 1496615, 1670640, 1795938, 2394584, 2993230, 3591876, 4489845, 4789168, 5986460, 7183752, 8979690, 11972920, 14367504, 17959380, 23945840, 35918760, 71837520]

約数ペア:

[(1, 71837520), (2, 35918760), (3, 23945840), (4, 17959380), (5, 14367504), (6, 11972920), (8, 8979690), (10, 7183752), (12, 5986460), (15, 4789168), (16, 4489845), (20, 3591876), (24, 2993230), (30, 2394584), (40, 1795938), (43, 1670640), (48, 1496615), (60, 1197292), (80, 897969), (86, 835320), (120, 598646), (129, 556880), (172, 417660), (215, 334128), (240, 299323), (258, 278440), (344, 208830), (430, 167064), (516, 139220), (645, 111376), (688, 104415), (860, 83532), (1032, 69610), (1290, 55688), (1720, 41766), (2064, 34805), (2580, 27844), (3440, 20883), (5160, 13922), (6961, 10320)]