71301680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:862

約数の個数: 80

約数和(自身を含む): 177592800

約数和(自身を除く): 106291120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 760, 769, 976, 1159, 1220, 1520, 1538, 2318, 2440, 3076, 3845, 4636, 4880, 5795, 6152, 7690, 9272, 11590, 12304, 14611, 15380, 18544, 23180, 29222, 30760, 46360, 46909, 58444, 61520, 73055, 92720, 93818, 116888, 146110, 187636, 233776, 234545, 292220, 375272, 469090, 584440, 750544, 891271, 938180, 1168880, 1782542, 1876360, 3565084, 3752720, 4456355, 7130168, 8912710, 14260336, 17825420, 35650840, 71301680]

約数ペア:

[(1, 71301680), (2, 35650840), (4, 17825420), (5, 14260336), (8, 8912710), (10, 7130168), (16, 4456355), (19, 3752720), (20, 3565084), (38, 1876360), (40, 1782542), (61, 1168880), (76, 938180), (80, 891271), (95, 750544), (122, 584440), (152, 469090), (190, 375272), (244, 292220), (304, 234545), (305, 233776), (380, 187636), (488, 146110), (610, 116888), (760, 93818), (769, 92720), (976, 73055), (1159, 61520), (1220, 58444), (1520, 46909), (1538, 46360), (2318, 30760), (2440, 29222), (3076, 23180), (3845, 18544), (4636, 15380), (4880, 14611), (5795, 12304), (6152, 11590), (7690, 9272)]