123575680

素因数分解:

$2^7\times 5^1\times {\mathrm{293}}^1\times {\mathrm{659}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 296881200

約数和(自身を除く): 173305520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 293, 320, 586, 640, 659, 1172, 1318, 1465, 2344, 2636, 2930, 3295, 4688, 5272, 5860, 6590, 9376, 10544, 11720, 13180, 18752, 21088, 23440, 26360, 37504, 42176, 46880, 52720, 84352, 93760, 105440, 187520, 193087, 210880, 386174, 421760, 772348, 965435, 1544696, 1930870, 3089392, 3861740, 6178784, 7723480, 12357568, 15446960, 24715136, 30893920, 61787840, 123575680]

約数ペア:

[(1, 123575680), (2, 61787840), (4, 30893920), (5, 24715136), (8, 15446960), (10, 12357568), (16, 7723480), (20, 6178784), (32, 3861740), (40, 3089392), (64, 1930870), (80, 1544696), (128, 965435), (160, 772348), (293, 421760), (320, 386174), (586, 210880), (640, 193087), (659, 187520), (1172, 105440), (1318, 93760), (1465, 84352), (2344, 52720), (2636, 46880), (2930, 42176), (3295, 37504), (4688, 26360), (5272, 23440), (5860, 21088), (6590, 18752), (9376, 13180), (10544, 11720)]