82550440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 228096000

約数和(自身を除く): 145545560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 59, 70, 76, 95, 118, 133, 140, 152, 190, 236, 263, 266, 280, 295, 380, 413, 472, 526, 532, 590, 665, 760, 826, 1052, 1064, 1121, 1180, 1315, 1330, 1652, 1841, 2065, 2104, 2242, 2360, 2630, 2660, 3304, 3682, 4130, 4484, 4997, 5260, 5320, 5605, 7364, 7847, 8260, 8968, 9205, 9994, 10520, 11210, 14728, 15517, 15694, 16520, 18410, 19988, 22420, 24985, 31034, 31388, 34979, 36820, 39235, 39976, 44840, 49970, 62068, 62776, 69958, 73640, 77585, 78470, 99940, 108619, 124136, 139916, 155170, 156940, 174895, 199880, 217238, 279832, 294823, 310340, 313880, 349790, 434476, 543095, 589646, 620680, 699580, 868952, 1086190, 1179292, 1399160, 1474115, 2063761, 2172380, 2358584, 2948230, 4127522, 4344760, 5896460, 8255044, 10318805, 11792920, 16510088, 20637610, 41275220, 82550440]

約数ペア:

[(1, 82550440), (2, 41275220), (4, 20637610), (5, 16510088), (7, 11792920), (8, 10318805), (10, 8255044), (14, 5896460), (19, 4344760), (20, 4127522), (28, 2948230), (35, 2358584), (38, 2172380), (40, 2063761), (56, 1474115), (59, 1399160), (70, 1179292), (76, 1086190), (95, 868952), (118, 699580), (133, 620680), (140, 589646), (152, 543095), (190, 434476), (236, 349790), (263, 313880), (266, 310340), (280, 294823), (295, 279832), (380, 217238), (413, 199880), (472, 174895), (526, 156940), (532, 155170), (590, 139916), (665, 124136), (760, 108619), (826, 99940), (1052, 78470), (1064, 77585), (1121, 73640), (1180, 69958), (1315, 62776), (1330, 62068), (1652, 49970), (1841, 44840), (2065, 39976), (2104, 39235), (2242, 36820), (2360, 34979), (2630, 31388), (2660, 31034), (3304, 24985), (3682, 22420), (4130, 19988), (4484, 18410), (4997, 16520), (5260, 15694), (5320, 15517), (5605, 14728), (7364, 11210), (7847, 10520), (8260, 9994), (8968, 9205)]