31834920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20407}}^1$

素因数の和:20434

約数の個数: 64

約数和(自身を含む): 102856320

約数和(自身を除く): 71021400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20407, 40814, 61221, 81628, 102035, 122442, 163256, 204070, 244884, 265291, 306105, 408140, 489768, 530582, 612210, 795873, 816280, 1061164, 1224420, 1326455, 1591746, 2122328, 2448840, 2652910, 3183492, 3979365, 5305820, 6366984, 7958730, 10611640, 15917460, 31834920]

約数ペア:

[(1, 31834920), (2, 15917460), (3, 10611640), (4, 7958730), (5, 6366984), (6, 5305820), (8, 3979365), (10, 3183492), (12, 2652910), (13, 2448840), (15, 2122328), (20, 1591746), (24, 1326455), (26, 1224420), (30, 1061164), (39, 816280), (40, 795873), (52, 612210), (60, 530582), (65, 489768), (78, 408140), (104, 306105), (120, 265291), (130, 244884), (156, 204070), (195, 163256), (260, 122442), (312, 102035), (390, 81628), (520, 61221), (780, 40814), (1560, 20407)]