128359140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23509}}^1$

素因数の和:23541

約数の個数: 96

約数和(自身を含む): 442364160

約数和(自身を除く): 314005020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 23509, 47018, 70527, 94036, 117545, 141054, 164563, 235090, 282108, 305617, 329126, 352635, 470180, 493689, 611234, 658252, 705270, 822815, 916851, 987378, 1222468, 1410540, 1528085, 1645630, 1833702, 1974756, 2139319, 2468445, 3056170, 3291260, 3667404, 4278638, 4584255, 4936890, 6112340, 6417957, 8557276, 9168510, 9873780, 10696595, 12835914, 18337020, 21393190, 25671828, 32089785, 42786380, 64179570, 128359140]

約数ペア:

[(1, 128359140), (2, 64179570), (3, 42786380), (4, 32089785), (5, 25671828), (6, 21393190), (7, 18337020), (10, 12835914), (12, 10696595), (13, 9873780), (14, 9168510), (15, 8557276), (20, 6417957), (21, 6112340), (26, 4936890), (28, 4584255), (30, 4278638), (35, 3667404), (39, 3291260), (42, 3056170), (52, 2468445), (60, 2139319), (65, 1974756), (70, 1833702), (78, 1645630), (84, 1528085), (91, 1410540), (105, 1222468), (130, 987378), (140, 916851), (156, 822815), (182, 705270), (195, 658252), (210, 611234), (260, 493689), (273, 470180), (364, 352635), (390, 329126), (420, 305617), (455, 282108), (546, 235090), (780, 164563), (910, 141054), (1092, 117545), (1365, 94036), (1820, 70527), (2730, 47018), (5460, 23509)]