128023020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9743}}^1$

素因数の和:9831

約数の個数: 72

約数和(自身を含む): 393696576

約数和(自身を除く): 265673556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2190, 2628, 3285, 4380, 6570, 9743, 13140, 19486, 29229, 38972, 48715, 58458, 87687, 97430, 116916, 146145, 175374, 194860, 292290, 350748, 438435, 584580, 711239, 876870, 1422478, 1753740, 2133717, 2844956, 3556195, 4267434, 6401151, 7112390, 8534868, 10668585, 12802302, 14224780, 21337170, 25604604, 32005755, 42674340, 64011510, 128023020]

約数ペア:

[(1, 128023020), (2, 64011510), (3, 42674340), (4, 32005755), (5, 25604604), (6, 21337170), (9, 14224780), (10, 12802302), (12, 10668585), (15, 8534868), (18, 7112390), (20, 6401151), (30, 4267434), (36, 3556195), (45, 2844956), (60, 2133717), (73, 1753740), (90, 1422478), (146, 876870), (180, 711239), (219, 584580), (292, 438435), (365, 350748), (438, 292290), (657, 194860), (730, 175374), (876, 146145), (1095, 116916), (1314, 97430), (1460, 87687), (2190, 58458), (2628, 48715), (3285, 38972), (4380, 29229), (6570, 19486), (9743, 13140)]