30031120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 83458944

約数和(自身を除く): 53427824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 163, 188, 196, 235, 245, 280, 326, 329, 376, 392, 470, 490, 560, 652, 658, 752, 784, 815, 940, 980, 1141, 1304, 1316, 1630, 1645, 1880, 1960, 2282, 2303, 2608, 2632, 3260, 3290, 3760, 3920, 4564, 4606, 5264, 5705, 6520, 6580, 7661, 7987, 9128, 9212, 11410, 11515, 13040, 13160, 15322, 15974, 18256, 18424, 22820, 23030, 26320, 30644, 31948, 36848, 38305, 39935, 45640, 46060, 53627, 61288, 63896, 76610, 79870, 91280, 92120, 107254, 122576, 127792, 153220, 159740, 184240, 214508, 268135, 306440, 319480, 375389, 429016, 536270, 612880, 638960, 750778, 858032, 1072540, 1501556, 1876945, 2145080, 3003112, 3753890, 4290160, 6006224, 7507780, 15015560, 30031120]

約数ペア:

[(1, 30031120), (2, 15015560), (4, 7507780), (5, 6006224), (7, 4290160), (8, 3753890), (10, 3003112), (14, 2145080), (16, 1876945), (20, 1501556), (28, 1072540), (35, 858032), (40, 750778), (47, 638960), (49, 612880), (56, 536270), (70, 429016), (80, 375389), (94, 319480), (98, 306440), (112, 268135), (140, 214508), (163, 184240), (188, 159740), (196, 153220), (235, 127792), (245, 122576), (280, 107254), (326, 92120), (329, 91280), (376, 79870), (392, 76610), (470, 63896), (490, 61288), (560, 53627), (652, 46060), (658, 45640), (752, 39935), (784, 38305), (815, 36848), (940, 31948), (980, 30644), (1141, 26320), (1304, 23030), (1316, 22820), (1630, 18424), (1645, 18256), (1880, 15974), (1960, 15322), (2282, 13160), (2303, 13040), (2608, 11515), (2632, 11410), (3260, 9212), (3290, 9128), (3760, 7987), (3920, 7661), (4564, 6580), (4606, 6520), (5264, 5705)]