256839570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 192

約数和(自身を含む): 784274400

約数和(自身を除く): 527434830

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 37, 39, 45, 51, 65, 74, 78, 85, 90, 102, 111, 117, 130, 153, 170, 185, 195, 221, 222, 234, 255, 306, 333, 349, 370, 390, 442, 481, 510, 555, 585, 629, 663, 666, 698, 765, 962, 1047, 1105, 1110, 1170, 1258, 1326, 1443, 1530, 1665, 1745, 1887, 1989, 2094, 2210, 2405, 2886, 3141, 3145, 3315, 3330, 3490, 3774, 3978, 4329, 4537, 4810, 5235, 5661, 5933, 6282, 6290, 6630, 7215, 8177, 8658, 9074, 9435, 9945, 10470, 11322, 11866, 12913, 13611, 14430, 15705, 16354, 17799, 18870, 19890, 21645, 22685, 24531, 25826, 27222, 28305, 29665, 31410, 35598, 38739, 40833, 40885, 43290, 45370, 49062, 53397, 56610, 59330, 64565, 68055, 73593, 77129, 77478, 81666, 81770, 88995, 106794, 116217, 122655, 129130, 136110, 147186, 154258, 167869, 177990, 193695, 204165, 219521, 231387, 232434, 245310, 266985, 335738, 367965, 385645, 387390, 408330, 439042, 462774, 503607, 533970, 581085, 658563, 694161, 735930, 771290, 839345, 1007214, 1097605, 1156935, 1162170, 1317126, 1388322, 1510821, 1678690, 1975689, 2195210, 2313870, 2518035, 2853773, 3021642, 3292815, 3470805, 3951378, 5036070, 5707546, 6585630, 6941610, 7554105, 8561319, 9878445, 14268865, 15108210, 17122638, 19756890, 25683957, 28537730, 42806595, 51367914, 85613190, 128419785, 256839570]

約数ペア:

[(1, 256839570), (2, 128419785), (3, 85613190), (5, 51367914), (6, 42806595), (9, 28537730), (10, 25683957), (13, 19756890), (15, 17122638), (17, 15108210), (18, 14268865), (26, 9878445), (30, 8561319), (34, 7554105), (37, 6941610), (39, 6585630), (45, 5707546), (51, 5036070), (65, 3951378), (74, 3470805), (78, 3292815), (85, 3021642), (90, 2853773), (102, 2518035), (111, 2313870), (117, 2195210), (130, 1975689), (153, 1678690), (170, 1510821), (185, 1388322), (195, 1317126), (221, 1162170), (222, 1156935), (234, 1097605), (255, 1007214), (306, 839345), (333, 771290), (349, 735930), (370, 694161), (390, 658563), (442, 581085), (481, 533970), (510, 503607), (555, 462774), (585, 439042), (629, 408330), (663, 387390), (666, 385645), (698, 367965), (765, 335738), (962, 266985), (1047, 245310), (1105, 232434), (1110, 231387), (1170, 219521), (1258, 204165), (1326, 193695), (1443, 177990), (1530, 167869), (1665, 154258), (1745, 147186), (1887, 136110), (1989, 129130), (2094, 122655), (2210, 116217), (2405, 106794), (2886, 88995), (3141, 81770), (3145, 81666), (3315, 77478), (3330, 77129), (3490, 73593), (3774, 68055), (3978, 64565), (4329, 59330), (4537, 56610), (4810, 53397), (5235, 49062), (5661, 45370), (5933, 43290), (6282, 40885), (6290, 40833), (6630, 38739), (7215, 35598), (8177, 31410), (8658, 29665), (9074, 28305), (9435, 27222), (9945, 25826), (10470, 24531), (11322, 22685), (11866, 21645), (12913, 19890), (13611, 18870), (14430, 17799), (15705, 16354)]