71672920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 187790400

約数和(自身を除く): 116117480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 41, 44, 55, 58, 82, 88, 110, 116, 137, 145, 164, 205, 220, 232, 274, 290, 319, 328, 410, 440, 451, 548, 580, 638, 685, 820, 902, 1096, 1160, 1189, 1276, 1370, 1507, 1595, 1640, 1804, 2255, 2378, 2552, 2740, 3014, 3190, 3608, 3973, 4510, 4756, 5480, 5617, 5945, 6028, 6380, 7535, 7946, 9020, 9512, 11234, 11890, 12056, 12760, 13079, 15070, 15892, 18040, 19865, 22468, 23780, 26158, 28085, 30140, 31784, 39730, 43703, 44936, 47560, 52316, 56170, 60280, 61787, 65395, 79460, 87406, 104632, 112340, 123574, 130790, 158920, 162893, 174812, 218515, 224680, 247148, 261580, 308935, 325786, 349624, 437030, 494296, 523160, 617870, 651572, 814465, 874060, 1235740, 1303144, 1628930, 1748120, 1791823, 2471480, 3257860, 3583646, 6515720, 7167292, 8959115, 14334584, 17918230, 35836460, 71672920]

約数ペア:

[(1, 71672920), (2, 35836460), (4, 17918230), (5, 14334584), (8, 8959115), (10, 7167292), (11, 6515720), (20, 3583646), (22, 3257860), (29, 2471480), (40, 1791823), (41, 1748120), (44, 1628930), (55, 1303144), (58, 1235740), (82, 874060), (88, 814465), (110, 651572), (116, 617870), (137, 523160), (145, 494296), (164, 437030), (205, 349624), (220, 325786), (232, 308935), (274, 261580), (290, 247148), (319, 224680), (328, 218515), (410, 174812), (440, 162893), (451, 158920), (548, 130790), (580, 123574), (638, 112340), (685, 104632), (820, 87406), (902, 79460), (1096, 65395), (1160, 61787), (1189, 60280), (1276, 56170), (1370, 52316), (1507, 47560), (1595, 44936), (1640, 43703), (1804, 39730), (2255, 31784), (2378, 30140), (2552, 28085), (2740, 26158), (3014, 23780), (3190, 22468), (3608, 19865), (3973, 18040), (4510, 15892), (4756, 15070), (5480, 13079), (5617, 12760), (5945, 12056), (6028, 11890), (6380, 11234), (7535, 9512), (7946, 9020)]