815793390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:823

約数の個数: 128

約数和(自身を含む): 2255339520

約数和(自身を除く): 1439546130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 127, 135, 185, 222, 254, 270, 333, 370, 381, 555, 635, 643, 666, 762, 999, 1110, 1143, 1270, 1286, 1665, 1905, 1929, 1998, 2286, 3215, 3330, 3429, 3810, 3858, 4699, 4995, 5715, 5787, 6430, 6858, 9398, 9645, 9990, 11430, 11574, 14097, 17145, 17361, 19290, 23495, 23791, 28194, 28935, 34290, 34722, 42291, 46990, 47582, 57870, 70485, 71373, 81661, 84582, 86805, 118955, 126873, 140970, 142746, 163322, 173610, 211455, 214119, 237910, 244983, 253746, 356865, 408305, 422910, 428238, 489966, 634365, 642357, 713730, 734949, 816610, 1070595, 1224915, 1268730, 1284714, 1469898, 2141190, 2204847, 2449830, 3021457, 3211785, 3674745, 4409694, 6042914, 6423570, 7349490, 9064371, 11024235, 15107285, 18128742, 22048470, 27193113, 30214570, 45321855, 54386226, 81579339, 90643710, 135965565, 163158678, 271931130, 407896695, 815793390]

約数ペア:

[(1, 815793390), (2, 407896695), (3, 271931130), (5, 163158678), (6, 135965565), (9, 90643710), (10, 81579339), (15, 54386226), (18, 45321855), (27, 30214570), (30, 27193113), (37, 22048470), (45, 18128742), (54, 15107285), (74, 11024235), (90, 9064371), (111, 7349490), (127, 6423570), (135, 6042914), (185, 4409694), (222, 3674745), (254, 3211785), (270, 3021457), (333, 2449830), (370, 2204847), (381, 2141190), (555, 1469898), (635, 1284714), (643, 1268730), (666, 1224915), (762, 1070595), (999, 816610), (1110, 734949), (1143, 713730), (1270, 642357), (1286, 634365), (1665, 489966), (1905, 428238), (1929, 422910), (1998, 408305), (2286, 356865), (3215, 253746), (3330, 244983), (3429, 237910), (3810, 214119), (3858, 211455), (4699, 173610), (4995, 163322), (5715, 142746), (5787, 140970), (6430, 126873), (6858, 118955), (9398, 86805), (9645, 84582), (9990, 81661), (11430, 71373), (11574, 70485), (14097, 57870), (17145, 47582), (17361, 46990), (19290, 42291), (23495, 34722), (23791, 34290), (28194, 28935)]