215683520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:542

約数の個数: 112

約数和(自身を含む): 558576480

約数和(自身を除く): 342892960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 139, 160, 208, 260, 278, 320, 373, 416, 520, 556, 695, 746, 832, 1040, 1112, 1390, 1492, 1807, 1865, 2080, 2224, 2780, 2984, 3614, 3730, 4160, 4448, 4849, 5560, 5968, 7228, 7460, 8896, 9035, 9698, 11120, 11936, 14456, 14920, 18070, 19396, 22240, 23872, 24245, 28912, 29840, 36140, 38792, 44480, 48490, 51847, 57824, 59680, 72280, 77584, 96980, 103694, 115648, 119360, 144560, 155168, 193960, 207388, 259235, 289120, 310336, 387920, 414776, 518470, 578240, 674011, 775840, 829552, 1036940, 1348022, 1551680, 1659104, 2073880, 2696044, 3318208, 3370055, 4147760, 5392088, 6740110, 8295520, 10784176, 13480220, 16591040, 21568352, 26960440, 43136704, 53920880, 107841760, 215683520]

約数ペア:

[(1, 215683520), (2, 107841760), (4, 53920880), (5, 43136704), (8, 26960440), (10, 21568352), (13, 16591040), (16, 13480220), (20, 10784176), (26, 8295520), (32, 6740110), (40, 5392088), (52, 4147760), (64, 3370055), (65, 3318208), (80, 2696044), (104, 2073880), (130, 1659104), (139, 1551680), (160, 1348022), (208, 1036940), (260, 829552), (278, 775840), (320, 674011), (373, 578240), (416, 518470), (520, 414776), (556, 387920), (695, 310336), (746, 289120), (832, 259235), (1040, 207388), (1112, 193960), (1390, 155168), (1492, 144560), (1807, 119360), (1865, 115648), (2080, 103694), (2224, 96980), (2780, 77584), (2984, 72280), (3614, 59680), (3730, 57824), (4160, 51847), (4448, 48490), (4849, 44480), (5560, 38792), (5968, 36140), (7228, 29840), (7460, 28912), (8896, 24245), (9035, 23872), (9698, 22240), (11120, 19396), (11936, 18070), (14456, 14920)]