30987040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:474

約数の個数: 96

約数和(自身を含む): 85034880

約数和(自身を除く): 54047840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 365, 379, 511, 560, 584, 730, 758, 1022, 1120, 1168, 1460, 1516, 1895, 2044, 2336, 2555, 2653, 2920, 3032, 3790, 4088, 5110, 5306, 5840, 6064, 7580, 8176, 10220, 10612, 11680, 12128, 13265, 15160, 16352, 20440, 21224, 26530, 27667, 30320, 40880, 42448, 53060, 55334, 60640, 81760, 84896, 106120, 110668, 138335, 193669, 212240, 221336, 276670, 387338, 424480, 442672, 553340, 774676, 885344, 968345, 1106680, 1549352, 1936690, 2213360, 3098704, 3873380, 4426720, 6197408, 7746760, 15493520, 30987040]

約数ペア:

[(1, 30987040), (2, 15493520), (4, 7746760), (5, 6197408), (7, 4426720), (8, 3873380), (10, 3098704), (14, 2213360), (16, 1936690), (20, 1549352), (28, 1106680), (32, 968345), (35, 885344), (40, 774676), (56, 553340), (70, 442672), (73, 424480), (80, 387338), (112, 276670), (140, 221336), (146, 212240), (160, 193669), (224, 138335), (280, 110668), (292, 106120), (365, 84896), (379, 81760), (511, 60640), (560, 55334), (584, 53060), (730, 42448), (758, 40880), (1022, 30320), (1120, 27667), (1168, 26530), (1460, 21224), (1516, 20440), (1895, 16352), (2044, 15160), (2336, 13265), (2555, 12128), (2653, 11680), (2920, 10612), (3032, 10220), (3790, 8176), (4088, 7580), (5110, 6064), (5306, 5840)]