90027280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{431}}^1$

素因数の和:824

約数の個数: 80

約数和(自身を含む): 240413184

約数和(自身を除く): 150385904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 373, 431, 560, 746, 862, 1492, 1724, 1865, 2155, 2611, 2984, 3017, 3448, 3730, 4310, 5222, 5968, 6034, 6896, 7460, 8620, 10444, 12068, 13055, 14920, 15085, 17240, 20888, 24136, 26110, 29840, 30170, 34480, 41776, 48272, 52220, 60340, 104440, 120680, 160763, 208880, 241360, 321526, 643052, 803815, 1125341, 1286104, 1607630, 2250682, 2572208, 3215260, 4501364, 5626705, 6430520, 9002728, 11253410, 12861040, 18005456, 22506820, 45013640, 90027280]

約数ペア:

[(1, 90027280), (2, 45013640), (4, 22506820), (5, 18005456), (7, 12861040), (8, 11253410), (10, 9002728), (14, 6430520), (16, 5626705), (20, 4501364), (28, 3215260), (35, 2572208), (40, 2250682), (56, 1607630), (70, 1286104), (80, 1125341), (112, 803815), (140, 643052), (280, 321526), (373, 241360), (431, 208880), (560, 160763), (746, 120680), (862, 104440), (1492, 60340), (1724, 52220), (1865, 48272), (2155, 41776), (2611, 34480), (2984, 30170), (3017, 29840), (3448, 26110), (3730, 24136), (4310, 20888), (5222, 17240), (5968, 15085), (6034, 14920), (6896, 13055), (7460, 12068), (8620, 10444)]