131047140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{613}}^1$

素因数の和:1141

約数の個数: 96

約数和(自身を含む): 420860160

約数和(自身を除く): 289813020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 509, 613, 1018, 1226, 1527, 1839, 2036, 2452, 2545, 3054, 3065, 3563, 3678, 4291, 5090, 6108, 6130, 7126, 7356, 7635, 8582, 9195, 10180, 10689, 12260, 12873, 14252, 15270, 17164, 17815, 18390, 21378, 21455, 25746, 30540, 35630, 36780, 42756, 42910, 51492, 53445, 64365, 71260, 85820, 106890, 128730, 213780, 257460, 312017, 624034, 936051, 1248068, 1560085, 1872102, 2184119, 3120170, 3744204, 4368238, 4680255, 6240340, 6552357, 8736476, 9360510, 10920595, 13104714, 18721020, 21841190, 26209428, 32761785, 43682380, 65523570, 131047140]

約数ペア:

[(1, 131047140), (2, 65523570), (3, 43682380), (4, 32761785), (5, 26209428), (6, 21841190), (7, 18721020), (10, 13104714), (12, 10920595), (14, 9360510), (15, 8736476), (20, 6552357), (21, 6240340), (28, 4680255), (30, 4368238), (35, 3744204), (42, 3120170), (60, 2184119), (70, 1872102), (84, 1560085), (105, 1248068), (140, 936051), (210, 624034), (420, 312017), (509, 257460), (613, 213780), (1018, 128730), (1226, 106890), (1527, 85820), (1839, 71260), (2036, 64365), (2452, 53445), (2545, 51492), (3054, 42910), (3065, 42756), (3563, 36780), (3678, 35630), (4291, 30540), (5090, 25746), (6108, 21455), (6130, 21378), (7126, 18390), (7356, 17815), (7635, 17164), (8582, 15270), (9195, 14252), (10180, 12873), (10689, 12260)]