81337680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{653}}^1$

素因数の和:845

約数の個数: 120

約数和(自身を含む): 275158728

約数和(自身を除く): 193821048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 173, 180, 240, 346, 360, 519, 653, 692, 720, 865, 1038, 1306, 1384, 1557, 1730, 1959, 2076, 2595, 2612, 2768, 3114, 3265, 3460, 3918, 4152, 5190, 5224, 5877, 6228, 6530, 6920, 7785, 7836, 8304, 9795, 10380, 10448, 11754, 12456, 13060, 13840, 15570, 15672, 19590, 20760, 23508, 24912, 26120, 29385, 31140, 31344, 39180, 41520, 47016, 52240, 58770, 62280, 78360, 94032, 112969, 117540, 124560, 156720, 225938, 235080, 338907, 451876, 470160, 564845, 677814, 903752, 1016721, 1129690, 1355628, 1694535, 1807504, 2033442, 2259380, 2711256, 3389070, 4066884, 4518760, 5083605, 5422512, 6778140, 8133768, 9037520, 10167210, 13556280, 16267536, 20334420, 27112560, 40668840, 81337680]

約数ペア:

[(1, 81337680), (2, 40668840), (3, 27112560), (4, 20334420), (5, 16267536), (6, 13556280), (8, 10167210), (9, 9037520), (10, 8133768), (12, 6778140), (15, 5422512), (16, 5083605), (18, 4518760), (20, 4066884), (24, 3389070), (30, 2711256), (36, 2259380), (40, 2033442), (45, 1807504), (48, 1694535), (60, 1355628), (72, 1129690), (80, 1016721), (90, 903752), (120, 677814), (144, 564845), (173, 470160), (180, 451876), (240, 338907), (346, 235080), (360, 225938), (519, 156720), (653, 124560), (692, 117540), (720, 112969), (865, 94032), (1038, 78360), (1306, 62280), (1384, 58770), (1557, 52240), (1730, 47016), (1959, 41520), (2076, 39180), (2595, 31344), (2612, 31140), (2768, 29385), (3114, 26120), (3265, 24912), (3460, 23508), (3918, 20760), (4152, 19590), (5190, 15672), (5224, 15570), (5877, 13840), (6228, 13060), (6530, 12456), (6920, 11754), (7785, 10448), (7836, 10380), (8304, 9795)]