90078640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1030

約数の個数: 80

約数和(自身を含む): 222173280

約数和(自身を除く): 132094640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 205, 232, 290, 328, 410, 464, 580, 656, 820, 947, 1160, 1189, 1640, 1894, 2320, 2378, 3280, 3788, 4735, 4756, 5945, 7576, 9470, 9512, 11890, 15152, 18940, 19024, 23780, 27463, 37880, 38827, 47560, 54926, 75760, 77654, 95120, 109852, 137315, 155308, 194135, 219704, 274630, 310616, 388270, 439408, 549260, 621232, 776540, 1098520, 1125983, 1553080, 2197040, 2251966, 3106160, 4503932, 5629915, 9007864, 11259830, 18015728, 22519660, 45039320, 90078640]

約数ペア:

[(1, 90078640), (2, 45039320), (4, 22519660), (5, 18015728), (8, 11259830), (10, 9007864), (16, 5629915), (20, 4503932), (29, 3106160), (40, 2251966), (41, 2197040), (58, 1553080), (80, 1125983), (82, 1098520), (116, 776540), (145, 621232), (164, 549260), (205, 439408), (232, 388270), (290, 310616), (328, 274630), (410, 219704), (464, 194135), (580, 155308), (656, 137315), (820, 109852), (947, 95120), (1160, 77654), (1189, 75760), (1640, 54926), (1894, 47560), (2320, 38827), (2378, 37880), (3280, 27463), (3788, 23780), (4735, 19024), (4756, 18940), (5945, 15152), (7576, 11890), (9470, 9512)]